From a2c7f31b09d24bd92de3c5bdf1e1ac92ad04bf0d Mon Sep 17 00:00:00 2001
From: Samuel Gaist <samuel.gaist@idiap.ch>
Date: Wed, 1 Jul 2020 16:51:58 +0200
Subject: [PATCH] [test][prefix] Pre-commit cleanup

---
 .../prefix/algorithms/autonomous/add/1.json   |   2 +-
 .../prefix/algorithms/autonomous/add/1.py     |  12 +-
 .../prefix/algorithms/autonomous/add2/1.json  |   2 +-
 .../prefix/algorithms/autonomous/add2/1.py    |  14 +-
 .../prefix/algorithms/autonomous/add3/1.json  |   2 +-
 .../prefix/algorithms/autonomous/add3/1.py    |  13 +-
 .../prefix/algorithms/autonomous/echo/1.py    |   9 +-
 .../algorithms/autonomous/no_prepare/1.py     |   1 -
 .../algorithms/autonomous/no_setup/1.py       |   1 -
 .../algorithms/autonomous/parametrized/1.py   |  65 +++++----
 .../algorithms/autonomous/prepare_crash/1.py  |   1 -
 .../algorithms/autonomous/prepare_fail/1.py   |   1 -
 .../algorithms/autonomous/process_crash/1.py  |   1 -
 .../algorithms/autonomous/setup_crash/1.py    |   1 -
 .../algorithms/autonomous/setup_fail/1.py     |   1 -
 .../autonomous/valid_algorithm/1.py           |   1 -
 .../algorithms/autonomous/valid_analysis/1.py |   1 -
 .../test/prefix/algorithms/legacy/add/1.json  |   2 +-
 .../test/prefix/algorithms/legacy/add/1.py    |  10 +-
 .../test/prefix/algorithms/legacy/add2/1.json |   2 +-
 .../test/prefix/algorithms/legacy/add2/1.py   |   9 +-
 .../test/prefix/algorithms/legacy/echo/1.py   |   3 +-
 .../prefix/algorithms/legacy/no_class/1.py    |   1 -
 .../prefix/algorithms/legacy/no_setup/1.py    |   1 -
 .../algorithms/legacy/parametrized/1.py       |  65 +++++----
 .../prefix/algorithms/legacy/prepare/1.json   |   2 +-
 .../prefix/algorithms/legacy/prepare/1.py     |  11 +-
 .../algorithms/legacy/process_crash/1.py      |   1 -
 .../prefix/algorithms/legacy/setup_crash/1.py |   1 -
 .../prefix/algorithms/legacy/setup_fail/1.py  |   1 -
 .../algorithms/legacy/valid_algorithm/1.py    |   1 -
 .../algorithms/legacy/valid_analysis/1.py     |   1 -
 .../prefix/algorithms/sequential/add/1.json   |   2 +-
 .../prefix/algorithms/sequential/add/1.py     |  10 +-
 .../prefix/algorithms/sequential/add2/1.json  |   2 +-
 .../prefix/algorithms/sequential/add2/1.py    |  10 +-
 .../prefix/algorithms/sequential/add3/1.json  |   2 +-
 .../prefix/algorithms/sequential/add3/1.py    |  11 +-
 .../prefix/algorithms/sequential/echo/1.py    |   3 +-
 .../algorithms/sequential/no_prepare/1.py     |   1 -
 .../algorithms/sequential/no_setup/1.py       |   1 -
 .../algorithms/sequential/parametrized/1.py   |  65 +++++----
 .../algorithms/sequential/prepare_crash/1.py  |   1 -
 .../algorithms/sequential/prepare_fail/1.py   |   1 -
 .../algorithms/sequential/process_crash/1.py  |   1 -
 .../algorithms/sequential/setup_crash/1.py    |   1 -
 .../algorithms/sequential/setup_fail/1.py     |   1 -
 .../sequential/valid_algorithm/1.py           |   1 -
 .../algorithms/sequential/valid_analysis/1.py |   1 -
 .../python/test/prefix/databases/crash/1.py   |  11 +-
 .../prefix/databases/duplicate_key_error/1.py |   3 +-
 .../test/prefix/databases/integers_db/1.py    | 129 +++++++-----------
 .../test/prefix/databases/integers_db/2.py    |   4 +-
 .../prefix/databases/integers_db_env/1.py     |   4 +-
 .../prefix/databases/integers_db_env/2.py     |   4 +-
 .../test/prefix/databases/python_keyword/1.py |  33 ++---
 .../prefix/databases/with_parameters/1.py     |   3 +-
 .../prefix/databases/with_parameters/2.py     |   3 +-
 .../user/3d_array_of_complexes/1.json         |   1 -
 .../user/3d_array_of_floats/1.json            |   1 -
 .../dataformats/user/single_bytes/1.json      |   3 +
 .../dataformats/user/single_bytes/1.rst       |   1 +
 62 files changed, 229 insertions(+), 324 deletions(-)
 create mode 100644 beat/backend/python/test/prefix/dataformats/user/single_bytes/1.json
 create mode 100644 beat/backend/python/test/prefix/dataformats/user/single_bytes/1.rst

diff --git a/beat/backend/python/test/prefix/algorithms/autonomous/add/1.json b/beat/backend/python/test/prefix/algorithms/autonomous/add/1.json
index 0ec3448..61b4c2f 100644
--- a/beat/backend/python/test/prefix/algorithms/autonomous/add/1.json
+++ b/beat/backend/python/test/prefix/algorithms/autonomous/add/1.json
@@ -27,4 +27,4 @@
             }
         }
     ]
-}
\ No newline at end of file
+}
diff --git a/beat/backend/python/test/prefix/algorithms/autonomous/add/1.py b/beat/backend/python/test/prefix/algorithms/autonomous/add/1.py
index d473d82..fecf0c1 100755
--- a/beat/backend/python/test/prefix/algorithms/autonomous/add/1.py
+++ b/beat/backend/python/test/prefix/algorithms/autonomous/add/1.py
@@ -35,24 +35,18 @@
 
 
 class Algorithm:
-
     def setup(self, parameters):
-        self.sync = parameters['sync']
+        self.sync = parameters["sync"]
         return True
 
-
     def process(self, data_loaders, outputs):
-        data_loader = data_loaders.loaderOf('in1')
+        data_loader = data_loaders.loaderOf("in1")
 
         for i in range(data_loader.count(self.sync)):
             view = data_loader.view(self.sync, i)
 
             (data, start, end) = view[view.count() - 1]
 
-            outputs['out'].write({
-                    'value': data['in1'].value + data['in2'].value,
-                },
-                end
-            )
+            outputs["out"].write({"value": data["in1"].value + data["in2"].value}, end)
 
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/autonomous/add2/1.json b/beat/backend/python/test/prefix/algorithms/autonomous/add2/1.json
index 966623e..ae67a98 100644
--- a/beat/backend/python/test/prefix/algorithms/autonomous/add2/1.json
+++ b/beat/backend/python/test/prefix/algorithms/autonomous/add2/1.json
@@ -25,4 +25,4 @@
             }
         }
     ]
-}
\ No newline at end of file
+}
diff --git a/beat/backend/python/test/prefix/algorithms/autonomous/add2/1.py b/beat/backend/python/test/prefix/algorithms/autonomous/add2/1.py
index 2b20441..7674616 100755
--- a/beat/backend/python/test/prefix/algorithms/autonomous/add2/1.py
+++ b/beat/backend/python/test/prefix/algorithms/autonomous/add2/1.py
@@ -35,26 +35,20 @@
 
 
 class Algorithm:
-
     def prepare(self, data_loaders):
-        data_loader = data_loaders.loaderOf('in2')
+        data_loader = data_loaders.loaderOf("in2")
 
         (data, start, end) = data_loader[0]
-        self.offset = data['in2'].value
+        self.offset = data["in2"].value
 
         return True
 
-
     def process(self, data_loaders, outputs):
-        data_loader = data_loaders.loaderOf('in1')
+        data_loader = data_loaders.loaderOf("in1")
 
         for i in range(data_loader.count()):
             (data, start, end) = data_loader[i]
 
-            outputs['out'].write({
-                    'value': data['in1'].value + self.offset,
-                },
-                end
-            )
+            outputs["out"].write({"value": data["in1"].value + self.offset}, end)
 
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/autonomous/add3/1.json b/beat/backend/python/test/prefix/algorithms/autonomous/add3/1.json
index cefb5e0..ab5d326 100644
--- a/beat/backend/python/test/prefix/algorithms/autonomous/add3/1.json
+++ b/beat/backend/python/test/prefix/algorithms/autonomous/add3/1.json
@@ -28,4 +28,4 @@
             }
         }
     ]
-}
\ No newline at end of file
+}
diff --git a/beat/backend/python/test/prefix/algorithms/autonomous/add3/1.py b/beat/backend/python/test/prefix/algorithms/autonomous/add3/1.py
index 69686cf..65af3ec 100755
--- a/beat/backend/python/test/prefix/algorithms/autonomous/add3/1.py
+++ b/beat/backend/python/test/prefix/algorithms/autonomous/add3/1.py
@@ -35,21 +35,18 @@
 
 
 class Algorithm:
-
     def process(self, data_loaders, outputs):
-        values = data_loaders.loaderOf('value')
-        offsets = data_loaders.loaderOf('offset')
+        values = data_loaders.loaderOf("value")
+        offsets = data_loaders.loaderOf("offset")
 
         for i in range(values.count()):
             (data, start, end) = values[i]
-            offset_index = data['offset_index'].value
+            offset_index = data["offset_index"].value
 
             (data2, start2, end2) = offsets[offset_index]
 
-            outputs['out'].write({
-                    'value': data['value'].value + data2['offset'].value,
-                },
-                end
+            outputs["out"].write(
+                {"value": data["value"].value + data2["offset"].value}, end
             )
 
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/autonomous/echo/1.py b/beat/backend/python/test/prefix/algorithms/autonomous/echo/1.py
index f5eb2bf..62e1db7 100755
--- a/beat/backend/python/test/prefix/algorithms/autonomous/echo/1.py
+++ b/beat/backend/python/test/prefix/algorithms/autonomous/echo/1.py
@@ -35,17 +35,12 @@
 
 
 class Algorithm:
-
     def process(self, data_loaders, outputs):
-        data_loader = data_loaders.loaderOf('in')
+        data_loader = data_loaders.loaderOf("in")
 
         for i in range(data_loader.count()):
             (data, start, end) = data_loader[i]
 
-            outputs['out'].write({
-                    'value': data['in'].value,
-                },
-                end
-            )
+            outputs["out"].write({"value": data["in"].value}, end)
 
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/autonomous/no_prepare/1.py b/beat/backend/python/test/prefix/algorithms/autonomous/no_prepare/1.py
index b8f66a8..d42545b 100755
--- a/beat/backend/python/test/prefix/algorithms/autonomous/no_prepare/1.py
+++ b/beat/backend/python/test/prefix/algorithms/autonomous/no_prepare/1.py
@@ -35,6 +35,5 @@
 
 
 class Algorithm:
-
     def process(self, data_loaders, outputs):
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/autonomous/no_setup/1.py b/beat/backend/python/test/prefix/algorithms/autonomous/no_setup/1.py
index c20717d..c5b1c86 100755
--- a/beat/backend/python/test/prefix/algorithms/autonomous/no_setup/1.py
+++ b/beat/backend/python/test/prefix/algorithms/autonomous/no_setup/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def prepare(self, data_loaders):
         return True
 
diff --git a/beat/backend/python/test/prefix/algorithms/autonomous/parametrized/1.py b/beat/backend/python/test/prefix/algorithms/autonomous/parametrized/1.py
index 51d86de..bc78541 100755
--- a/beat/backend/python/test/prefix/algorithms/autonomous/parametrized/1.py
+++ b/beat/backend/python/test/prefix/algorithms/autonomous/parametrized/1.py
@@ -35,40 +35,39 @@
 
 
 class Algorithm:
-
     def setup(self, parameters):
-        self.int8_value      = parameters['int8_value']
-        self.int8_range      = parameters['int8_range']
-        self.int8_choices    = parameters['int8_choices']
-        self.int16_value     = parameters['int16_value']
-        self.int16_range     = parameters['int16_range']
-        self.int16_choices   = parameters['int16_choices']
-        self.int32_value     = parameters['int32_value']
-        self.int32_range     = parameters['int32_range']
-        self.int32_choices   = parameters['int32_choices']
-        self.int64_value     = parameters['int64_value']
-        self.int64_range     = parameters['int64_range']
-        self.int64_choices   = parameters['int64_choices']
-        self.uint8_value     = parameters['uint8_value']
-        self.uint8_range     = parameters['uint8_range']
-        self.uint8_choices   = parameters['uint8_choices']
-        self.uint16_value    = parameters['uint16_value']
-        self.uint16_range    = parameters['uint16_range']
-        self.uint16_choices  = parameters['uint16_choices']
-        self.uint32_value    = parameters['uint32_value']
-        self.uint32_range    = parameters['uint32_range']
-        self.uint32_choices  = parameters['uint32_choices']
-        self.uint64_value    = parameters['uint64_value']
-        self.uint64_range    = parameters['uint64_range']
-        self.uint64_choices  = parameters['uint64_choices']
-        self.float32_value   = parameters['float32_value']
-        self.float32_range   = parameters['float32_range']
-        self.float32_choices = parameters['float32_choices']
-        self.float64_value   = parameters['float64_value']
-        self.float64_range   = parameters['float64_range']
-        self.float64_choices = parameters['float64_choices']
-        self.bool_value      = parameters['bool_value']
-        self.string_value    = parameters['string_value']
+        self.int8_value = parameters["int8_value"]
+        self.int8_range = parameters["int8_range"]
+        self.int8_choices = parameters["int8_choices"]
+        self.int16_value = parameters["int16_value"]
+        self.int16_range = parameters["int16_range"]
+        self.int16_choices = parameters["int16_choices"]
+        self.int32_value = parameters["int32_value"]
+        self.int32_range = parameters["int32_range"]
+        self.int32_choices = parameters["int32_choices"]
+        self.int64_value = parameters["int64_value"]
+        self.int64_range = parameters["int64_range"]
+        self.int64_choices = parameters["int64_choices"]
+        self.uint8_value = parameters["uint8_value"]
+        self.uint8_range = parameters["uint8_range"]
+        self.uint8_choices = parameters["uint8_choices"]
+        self.uint16_value = parameters["uint16_value"]
+        self.uint16_range = parameters["uint16_range"]
+        self.uint16_choices = parameters["uint16_choices"]
+        self.uint32_value = parameters["uint32_value"]
+        self.uint32_range = parameters["uint32_range"]
+        self.uint32_choices = parameters["uint32_choices"]
+        self.uint64_value = parameters["uint64_value"]
+        self.uint64_range = parameters["uint64_range"]
+        self.uint64_choices = parameters["uint64_choices"]
+        self.float32_value = parameters["float32_value"]
+        self.float32_range = parameters["float32_range"]
+        self.float32_choices = parameters["float32_choices"]
+        self.float64_value = parameters["float64_value"]
+        self.float64_range = parameters["float64_range"]
+        self.float64_choices = parameters["float64_choices"]
+        self.bool_value = parameters["bool_value"]
+        self.string_value = parameters["string_value"]
         return True
 
     def process(self, data_loaders, outputs):
diff --git a/beat/backend/python/test/prefix/algorithms/autonomous/prepare_crash/1.py b/beat/backend/python/test/prefix/algorithms/autonomous/prepare_crash/1.py
index 6baa70f..7613c56 100755
--- a/beat/backend/python/test/prefix/algorithms/autonomous/prepare_crash/1.py
+++ b/beat/backend/python/test/prefix/algorithms/autonomous/prepare_crash/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def prepare(self, data_loaders):
         a = b
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/autonomous/prepare_fail/1.py b/beat/backend/python/test/prefix/algorithms/autonomous/prepare_fail/1.py
index b5a91c8..ec35cda 100755
--- a/beat/backend/python/test/prefix/algorithms/autonomous/prepare_fail/1.py
+++ b/beat/backend/python/test/prefix/algorithms/autonomous/prepare_fail/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def prepare(self, data_loaders):
         return False
 
diff --git a/beat/backend/python/test/prefix/algorithms/autonomous/process_crash/1.py b/beat/backend/python/test/prefix/algorithms/autonomous/process_crash/1.py
index 1764aa3..363dd05 100755
--- a/beat/backend/python/test/prefix/algorithms/autonomous/process_crash/1.py
+++ b/beat/backend/python/test/prefix/algorithms/autonomous/process_crash/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def process(self, data_loaders, outputs):
         a = b
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/autonomous/setup_crash/1.py b/beat/backend/python/test/prefix/algorithms/autonomous/setup_crash/1.py
index 1d9656b..bcfb17b 100755
--- a/beat/backend/python/test/prefix/algorithms/autonomous/setup_crash/1.py
+++ b/beat/backend/python/test/prefix/algorithms/autonomous/setup_crash/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def setup(self, parameters):
         a = b
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/autonomous/setup_fail/1.py b/beat/backend/python/test/prefix/algorithms/autonomous/setup_fail/1.py
index a3f7fb0..d6ee28a 100755
--- a/beat/backend/python/test/prefix/algorithms/autonomous/setup_fail/1.py
+++ b/beat/backend/python/test/prefix/algorithms/autonomous/setup_fail/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def setup(self, parameters):
         return False
 
diff --git a/beat/backend/python/test/prefix/algorithms/autonomous/valid_algorithm/1.py b/beat/backend/python/test/prefix/algorithms/autonomous/valid_algorithm/1.py
index a9c42ec..a91aa2a 100755
--- a/beat/backend/python/test/prefix/algorithms/autonomous/valid_algorithm/1.py
+++ b/beat/backend/python/test/prefix/algorithms/autonomous/valid_algorithm/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def setup(self, parameters):
         return True
 
diff --git a/beat/backend/python/test/prefix/algorithms/autonomous/valid_analysis/1.py b/beat/backend/python/test/prefix/algorithms/autonomous/valid_analysis/1.py
index 3316c1c..6739f2d 100755
--- a/beat/backend/python/test/prefix/algorithms/autonomous/valid_analysis/1.py
+++ b/beat/backend/python/test/prefix/algorithms/autonomous/valid_analysis/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def setup(self, parameters):
         return True
 
diff --git a/beat/backend/python/test/prefix/algorithms/legacy/add/1.json b/beat/backend/python/test/prefix/algorithms/legacy/add/1.json
index 51ba4f2..b1a0101 100644
--- a/beat/backend/python/test/prefix/algorithms/legacy/add/1.json
+++ b/beat/backend/python/test/prefix/algorithms/legacy/add/1.json
@@ -24,4 +24,4 @@
             }
         }
     ]
-}
\ No newline at end of file
+}
diff --git a/beat/backend/python/test/prefix/algorithms/legacy/add/1.py b/beat/backend/python/test/prefix/algorithms/legacy/add/1.py
index 4672ee5..a1ef20a 100755
--- a/beat/backend/python/test/prefix/algorithms/legacy/add/1.py
+++ b/beat/backend/python/test/prefix/algorithms/legacy/add/1.py
@@ -35,16 +35,14 @@
 
 
 class Algorithm:
-
     def setup(self, parameters):
-        self.sync = parameters['sync']
+        self.sync = parameters["sync"]
         return True
 
-
     def process(self, inputs, outputs):
         if inputs[self.sync].isDataUnitDone():
-            outputs['out'].write({
-                'value': inputs['in1'].data.value + inputs['in2'].data.value,
-            })
+            outputs["out"].write(
+                {"value": inputs["in1"].data.value + inputs["in2"].data.value}
+            )
 
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/legacy/add2/1.json b/beat/backend/python/test/prefix/algorithms/legacy/add2/1.json
index 20715dc..c55c48d 100644
--- a/beat/backend/python/test/prefix/algorithms/legacy/add2/1.json
+++ b/beat/backend/python/test/prefix/algorithms/legacy/add2/1.json
@@ -22,4 +22,4 @@
             }
         }
     ]
-}
\ No newline at end of file
+}
diff --git a/beat/backend/python/test/prefix/algorithms/legacy/add2/1.py b/beat/backend/python/test/prefix/algorithms/legacy/add2/1.py
index 27569ad..a3648e2 100755
--- a/beat/backend/python/test/prefix/algorithms/legacy/add2/1.py
+++ b/beat/backend/python/test/prefix/algorithms/legacy/add2/1.py
@@ -35,18 +35,15 @@
 
 
 class Algorithm:
-
     def __init__(self):
         self.offset = None
 
     def process(self, inputs, outputs):
         if self.offset is None:
-            group = inputs.groupOf('in2')
+            group = inputs.groupOf("in2")
             group.next()
-            self.offset = group['in2'].data.value
+            self.offset = group["in2"].data.value
 
-        outputs['out'].write({
-            'value': inputs['in1'].data.value + self.offset,
-        })
+        outputs["out"].write({"value": inputs["in1"].data.value + self.offset})
 
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/legacy/echo/1.py b/beat/backend/python/test/prefix/algorithms/legacy/echo/1.py
index bb539b5..617a535 100755
--- a/beat/backend/python/test/prefix/algorithms/legacy/echo/1.py
+++ b/beat/backend/python/test/prefix/algorithms/legacy/echo/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def process(self, inputs, outputs):
-        outputs['out'].write(inputs['in'].data)
+        outputs["out"].write(inputs["in"].data)
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/legacy/no_class/1.py b/beat/backend/python/test/prefix/algorithms/legacy/no_class/1.py
index 7431602..a511954 100644
--- a/beat/backend/python/test/prefix/algorithms/legacy/no_class/1.py
+++ b/beat/backend/python/test/prefix/algorithms/legacy/no_class/1.py
@@ -35,6 +35,5 @@
 
 
 class InvalidAlgorithmClassName:
-
     def process(self, inputs, outputs):
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/legacy/no_setup/1.py b/beat/backend/python/test/prefix/algorithms/legacy/no_setup/1.py
index 7cf2d9a..164f5ad 100644
--- a/beat/backend/python/test/prefix/algorithms/legacy/no_setup/1.py
+++ b/beat/backend/python/test/prefix/algorithms/legacy/no_setup/1.py
@@ -35,6 +35,5 @@
 
 
 class Algorithm:
-
     def process(self, inputs, outputs):
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/legacy/parametrized/1.py b/beat/backend/python/test/prefix/algorithms/legacy/parametrized/1.py
index 9cd8836..b80a6f0 100644
--- a/beat/backend/python/test/prefix/algorithms/legacy/parametrized/1.py
+++ b/beat/backend/python/test/prefix/algorithms/legacy/parametrized/1.py
@@ -35,40 +35,39 @@
 
 
 class Algorithm:
-
     def setup(self, parameters):
-        self.int8_value      = parameters['int8_value']
-        self.int8_range      = parameters['int8_range']
-        self.int8_choices    = parameters['int8_choices']
-        self.int16_value     = parameters['int16_value']
-        self.int16_range     = parameters['int16_range']
-        self.int16_choices   = parameters['int16_choices']
-        self.int32_value     = parameters['int32_value']
-        self.int32_range     = parameters['int32_range']
-        self.int32_choices   = parameters['int32_choices']
-        self.int64_value     = parameters['int64_value']
-        self.int64_range     = parameters['int64_range']
-        self.int64_choices   = parameters['int64_choices']
-        self.uint8_value     = parameters['uint8_value']
-        self.uint8_range     = parameters['uint8_range']
-        self.uint8_choices   = parameters['uint8_choices']
-        self.uint16_value    = parameters['uint16_value']
-        self.uint16_range    = parameters['uint16_range']
-        self.uint16_choices  = parameters['uint16_choices']
-        self.uint32_value    = parameters['uint32_value']
-        self.uint32_range    = parameters['uint32_range']
-        self.uint32_choices  = parameters['uint32_choices']
-        self.uint64_value    = parameters['uint64_value']
-        self.uint64_range    = parameters['uint64_range']
-        self.uint64_choices  = parameters['uint64_choices']
-        self.float32_value   = parameters['float32_value']
-        self.float32_range   = parameters['float32_range']
-        self.float32_choices = parameters['float32_choices']
-        self.float64_value   = parameters['float64_value']
-        self.float64_range   = parameters['float64_range']
-        self.float64_choices = parameters['float64_choices']
-        self.bool_value      = parameters['bool_value']
-        self.string_value    = parameters['string_value']
+        self.int8_value = parameters["int8_value"]
+        self.int8_range = parameters["int8_range"]
+        self.int8_choices = parameters["int8_choices"]
+        self.int16_value = parameters["int16_value"]
+        self.int16_range = parameters["int16_range"]
+        self.int16_choices = parameters["int16_choices"]
+        self.int32_value = parameters["int32_value"]
+        self.int32_range = parameters["int32_range"]
+        self.int32_choices = parameters["int32_choices"]
+        self.int64_value = parameters["int64_value"]
+        self.int64_range = parameters["int64_range"]
+        self.int64_choices = parameters["int64_choices"]
+        self.uint8_value = parameters["uint8_value"]
+        self.uint8_range = parameters["uint8_range"]
+        self.uint8_choices = parameters["uint8_choices"]
+        self.uint16_value = parameters["uint16_value"]
+        self.uint16_range = parameters["uint16_range"]
+        self.uint16_choices = parameters["uint16_choices"]
+        self.uint32_value = parameters["uint32_value"]
+        self.uint32_range = parameters["uint32_range"]
+        self.uint32_choices = parameters["uint32_choices"]
+        self.uint64_value = parameters["uint64_value"]
+        self.uint64_range = parameters["uint64_range"]
+        self.uint64_choices = parameters["uint64_choices"]
+        self.float32_value = parameters["float32_value"]
+        self.float32_range = parameters["float32_range"]
+        self.float32_choices = parameters["float32_choices"]
+        self.float64_value = parameters["float64_value"]
+        self.float64_range = parameters["float64_range"]
+        self.float64_choices = parameters["float64_choices"]
+        self.bool_value = parameters["bool_value"]
+        self.string_value = parameters["string_value"]
         return True
 
     def process(self, inputs, outputs):
diff --git a/beat/backend/python/test/prefix/algorithms/legacy/prepare/1.json b/beat/backend/python/test/prefix/algorithms/legacy/prepare/1.json
index 51ba4f2..b1a0101 100644
--- a/beat/backend/python/test/prefix/algorithms/legacy/prepare/1.json
+++ b/beat/backend/python/test/prefix/algorithms/legacy/prepare/1.json
@@ -24,4 +24,4 @@
             }
         }
     ]
-}
\ No newline at end of file
+}
diff --git a/beat/backend/python/test/prefix/algorithms/legacy/prepare/1.py b/beat/backend/python/test/prefix/algorithms/legacy/prepare/1.py
index b85d149..d7e842a 100644
--- a/beat/backend/python/test/prefix/algorithms/legacy/prepare/1.py
+++ b/beat/backend/python/test/prefix/algorithms/legacy/prepare/1.py
@@ -35,18 +35,17 @@
 
 
 class Algorithm:
-
     def setup(self, parameters):
-        self.sync = parameters['sync']
+        self.sync = parameters["sync"]
         return True
 
     def prepare(self):
-    	return True
+        return True
 
     def process(self, inputs, outputs):
         if inputs[self.sync].isDataUnitDone():
-            outputs['out'].write({
-                'value': inputs['in1'].data.value + inputs['in2'].data.value,
-            })
+            outputs["out"].write(
+                {"value": inputs["in1"].data.value + inputs["in2"].data.value}
+            )
 
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/legacy/process_crash/1.py b/beat/backend/python/test/prefix/algorithms/legacy/process_crash/1.py
index 4d53921..bec1160 100755
--- a/beat/backend/python/test/prefix/algorithms/legacy/process_crash/1.py
+++ b/beat/backend/python/test/prefix/algorithms/legacy/process_crash/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def process(self, inputs, outputs):
         a = b
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/legacy/setup_crash/1.py b/beat/backend/python/test/prefix/algorithms/legacy/setup_crash/1.py
index 5e9344e..7a2c230 100644
--- a/beat/backend/python/test/prefix/algorithms/legacy/setup_crash/1.py
+++ b/beat/backend/python/test/prefix/algorithms/legacy/setup_crash/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def setup(self, parameters):
         a = b
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/legacy/setup_fail/1.py b/beat/backend/python/test/prefix/algorithms/legacy/setup_fail/1.py
index f4cf208..0c76211 100644
--- a/beat/backend/python/test/prefix/algorithms/legacy/setup_fail/1.py
+++ b/beat/backend/python/test/prefix/algorithms/legacy/setup_fail/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def setup(self, parameters):
         return False
 
diff --git a/beat/backend/python/test/prefix/algorithms/legacy/valid_algorithm/1.py b/beat/backend/python/test/prefix/algorithms/legacy/valid_algorithm/1.py
index 7cf2d9a..164f5ad 100644
--- a/beat/backend/python/test/prefix/algorithms/legacy/valid_algorithm/1.py
+++ b/beat/backend/python/test/prefix/algorithms/legacy/valid_algorithm/1.py
@@ -35,6 +35,5 @@
 
 
 class Algorithm:
-
     def process(self, inputs, outputs):
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/legacy/valid_analysis/1.py b/beat/backend/python/test/prefix/algorithms/legacy/valid_analysis/1.py
index bdfc072..cca6869 100644
--- a/beat/backend/python/test/prefix/algorithms/legacy/valid_analysis/1.py
+++ b/beat/backend/python/test/prefix/algorithms/legacy/valid_analysis/1.py
@@ -35,6 +35,5 @@
 
 
 class Algorithm:
-
     def process(self, inputs, output):
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/sequential/add/1.json b/beat/backend/python/test/prefix/algorithms/sequential/add/1.json
index 9f4576d..8a6217c 100644
--- a/beat/backend/python/test/prefix/algorithms/sequential/add/1.json
+++ b/beat/backend/python/test/prefix/algorithms/sequential/add/1.json
@@ -27,4 +27,4 @@
             }
         }
     ]
-}
\ No newline at end of file
+}
diff --git a/beat/backend/python/test/prefix/algorithms/sequential/add/1.py b/beat/backend/python/test/prefix/algorithms/sequential/add/1.py
index a264b3f..705c0c3 100755
--- a/beat/backend/python/test/prefix/algorithms/sequential/add/1.py
+++ b/beat/backend/python/test/prefix/algorithms/sequential/add/1.py
@@ -35,16 +35,14 @@
 
 
 class Algorithm:
-
     def setup(self, parameters):
-        self.sync = parameters['sync']
+        self.sync = parameters["sync"]
         return True
 
-
     def process(self, inputs, data_loaders, outputs):
         if inputs[self.sync].isDataUnitDone():
-            outputs['out'].write({
-                'value': inputs['in1'].data.value + inputs['in2'].data.value,
-            })
+            outputs["out"].write(
+                {"value": inputs["in1"].data.value + inputs["in2"].data.value}
+            )
 
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/sequential/add2/1.json b/beat/backend/python/test/prefix/algorithms/sequential/add2/1.json
index 69d95bf..34eaad0 100644
--- a/beat/backend/python/test/prefix/algorithms/sequential/add2/1.json
+++ b/beat/backend/python/test/prefix/algorithms/sequential/add2/1.json
@@ -25,4 +25,4 @@
             }
         }
     ]
-}
\ No newline at end of file
+}
diff --git a/beat/backend/python/test/prefix/algorithms/sequential/add2/1.py b/beat/backend/python/test/prefix/algorithms/sequential/add2/1.py
index ab96080..5e92ca0 100755
--- a/beat/backend/python/test/prefix/algorithms/sequential/add2/1.py
+++ b/beat/backend/python/test/prefix/algorithms/sequential/add2/1.py
@@ -35,19 +35,15 @@
 
 
 class Algorithm:
-
     def prepare(self, data_loaders):
-        data_loader = data_loaders.loaderOf('in2')
+        data_loader = data_loaders.loaderOf("in2")
 
         (data, start, end) = data_loader[0]
-        self.offset = data['in2'].value
+        self.offset = data["in2"].value
 
         return True
 
-
     def process(self, inputs, data_loaders, outputs):
-        outputs['out'].write({
-            'value': inputs['in1'].data.value + self.offset,
-        })
+        outputs["out"].write({"value": inputs["in1"].data.value + self.offset})
 
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/sequential/add3/1.json b/beat/backend/python/test/prefix/algorithms/sequential/add3/1.json
index a462096..db8588f 100644
--- a/beat/backend/python/test/prefix/algorithms/sequential/add3/1.json
+++ b/beat/backend/python/test/prefix/algorithms/sequential/add3/1.json
@@ -28,4 +28,4 @@
             }
         }
     ]
-}
\ No newline at end of file
+}
diff --git a/beat/backend/python/test/prefix/algorithms/sequential/add3/1.py b/beat/backend/python/test/prefix/algorithms/sequential/add3/1.py
index 87e8636..b9bcd0b 100755
--- a/beat/backend/python/test/prefix/algorithms/sequential/add3/1.py
+++ b/beat/backend/python/test/prefix/algorithms/sequential/add3/1.py
@@ -35,15 +35,14 @@
 
 
 class Algorithm:
-
     def process(self, inputs, data_loaders, outputs):
-        offset_index = inputs['offset_index'].data.value
+        offset_index = inputs["offset_index"].data.value
 
-        data_loader = data_loaders.loaderOf('offset')
+        data_loader = data_loaders.loaderOf("offset")
         (data, start, end) = data_loader[offset_index]
 
-        outputs['out'].write({
-            'value': inputs['value'].data.value + data['offset'].value,
-        })
+        outputs["out"].write(
+            {"value": inputs["value"].data.value + data["offset"].value}
+        )
 
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/sequential/echo/1.py b/beat/backend/python/test/prefix/algorithms/sequential/echo/1.py
index e7d9d7d..987dea5 100755
--- a/beat/backend/python/test/prefix/algorithms/sequential/echo/1.py
+++ b/beat/backend/python/test/prefix/algorithms/sequential/echo/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def process(self, inputs, data_loaders, outputs):
-        outputs['out'].write(inputs['in'].data)
+        outputs["out"].write(inputs["in"].data)
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/sequential/no_prepare/1.py b/beat/backend/python/test/prefix/algorithms/sequential/no_prepare/1.py
index 88c5e50..c042564 100755
--- a/beat/backend/python/test/prefix/algorithms/sequential/no_prepare/1.py
+++ b/beat/backend/python/test/prefix/algorithms/sequential/no_prepare/1.py
@@ -35,6 +35,5 @@
 
 
 class Algorithm:
-
     def process(self, inputs, data_loaders, outputs):
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/sequential/no_setup/1.py b/beat/backend/python/test/prefix/algorithms/sequential/no_setup/1.py
index c20717d..c5b1c86 100755
--- a/beat/backend/python/test/prefix/algorithms/sequential/no_setup/1.py
+++ b/beat/backend/python/test/prefix/algorithms/sequential/no_setup/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def prepare(self, data_loaders):
         return True
 
diff --git a/beat/backend/python/test/prefix/algorithms/sequential/parametrized/1.py b/beat/backend/python/test/prefix/algorithms/sequential/parametrized/1.py
index 7f566c5..dac535d 100755
--- a/beat/backend/python/test/prefix/algorithms/sequential/parametrized/1.py
+++ b/beat/backend/python/test/prefix/algorithms/sequential/parametrized/1.py
@@ -35,40 +35,39 @@
 
 
 class Algorithm:
-
     def setup(self, parameters):
-        self.int8_value      = parameters['int8_value']
-        self.int8_range      = parameters['int8_range']
-        self.int8_choices    = parameters['int8_choices']
-        self.int16_value     = parameters['int16_value']
-        self.int16_range     = parameters['int16_range']
-        self.int16_choices   = parameters['int16_choices']
-        self.int32_value     = parameters['int32_value']
-        self.int32_range     = parameters['int32_range']
-        self.int32_choices   = parameters['int32_choices']
-        self.int64_value     = parameters['int64_value']
-        self.int64_range     = parameters['int64_range']
-        self.int64_choices   = parameters['int64_choices']
-        self.uint8_value     = parameters['uint8_value']
-        self.uint8_range     = parameters['uint8_range']
-        self.uint8_choices   = parameters['uint8_choices']
-        self.uint16_value    = parameters['uint16_value']
-        self.uint16_range    = parameters['uint16_range']
-        self.uint16_choices  = parameters['uint16_choices']
-        self.uint32_value    = parameters['uint32_value']
-        self.uint32_range    = parameters['uint32_range']
-        self.uint32_choices  = parameters['uint32_choices']
-        self.uint64_value    = parameters['uint64_value']
-        self.uint64_range    = parameters['uint64_range']
-        self.uint64_choices  = parameters['uint64_choices']
-        self.float32_value   = parameters['float32_value']
-        self.float32_range   = parameters['float32_range']
-        self.float32_choices = parameters['float32_choices']
-        self.float64_value   = parameters['float64_value']
-        self.float64_range   = parameters['float64_range']
-        self.float64_choices = parameters['float64_choices']
-        self.bool_value      = parameters['bool_value']
-        self.string_value    = parameters['string_value']
+        self.int8_value = parameters["int8_value"]
+        self.int8_range = parameters["int8_range"]
+        self.int8_choices = parameters["int8_choices"]
+        self.int16_value = parameters["int16_value"]
+        self.int16_range = parameters["int16_range"]
+        self.int16_choices = parameters["int16_choices"]
+        self.int32_value = parameters["int32_value"]
+        self.int32_range = parameters["int32_range"]
+        self.int32_choices = parameters["int32_choices"]
+        self.int64_value = parameters["int64_value"]
+        self.int64_range = parameters["int64_range"]
+        self.int64_choices = parameters["int64_choices"]
+        self.uint8_value = parameters["uint8_value"]
+        self.uint8_range = parameters["uint8_range"]
+        self.uint8_choices = parameters["uint8_choices"]
+        self.uint16_value = parameters["uint16_value"]
+        self.uint16_range = parameters["uint16_range"]
+        self.uint16_choices = parameters["uint16_choices"]
+        self.uint32_value = parameters["uint32_value"]
+        self.uint32_range = parameters["uint32_range"]
+        self.uint32_choices = parameters["uint32_choices"]
+        self.uint64_value = parameters["uint64_value"]
+        self.uint64_range = parameters["uint64_range"]
+        self.uint64_choices = parameters["uint64_choices"]
+        self.float32_value = parameters["float32_value"]
+        self.float32_range = parameters["float32_range"]
+        self.float32_choices = parameters["float32_choices"]
+        self.float64_value = parameters["float64_value"]
+        self.float64_range = parameters["float64_range"]
+        self.float64_choices = parameters["float64_choices"]
+        self.bool_value = parameters["bool_value"]
+        self.string_value = parameters["string_value"]
         return True
 
     def process(self, inputs, data_loaders, outputs):
diff --git a/beat/backend/python/test/prefix/algorithms/sequential/prepare_crash/1.py b/beat/backend/python/test/prefix/algorithms/sequential/prepare_crash/1.py
index 7aee81e..94555de 100755
--- a/beat/backend/python/test/prefix/algorithms/sequential/prepare_crash/1.py
+++ b/beat/backend/python/test/prefix/algorithms/sequential/prepare_crash/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def prepare(self, data_loaders):
         a = b
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/sequential/prepare_fail/1.py b/beat/backend/python/test/prefix/algorithms/sequential/prepare_fail/1.py
index aa554a6..d108c0b 100755
--- a/beat/backend/python/test/prefix/algorithms/sequential/prepare_fail/1.py
+++ b/beat/backend/python/test/prefix/algorithms/sequential/prepare_fail/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def prepare(self, data_loaders):
         return False
 
diff --git a/beat/backend/python/test/prefix/algorithms/sequential/process_crash/1.py b/beat/backend/python/test/prefix/algorithms/sequential/process_crash/1.py
index 2897e76..5c66a9f 100755
--- a/beat/backend/python/test/prefix/algorithms/sequential/process_crash/1.py
+++ b/beat/backend/python/test/prefix/algorithms/sequential/process_crash/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def process(self, inputs, data_loaders, outputs):
         a = b
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/sequential/setup_crash/1.py b/beat/backend/python/test/prefix/algorithms/sequential/setup_crash/1.py
index 964b6df..1c004f3 100755
--- a/beat/backend/python/test/prefix/algorithms/sequential/setup_crash/1.py
+++ b/beat/backend/python/test/prefix/algorithms/sequential/setup_crash/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def setup(self, parameters):
         a = b
         return True
diff --git a/beat/backend/python/test/prefix/algorithms/sequential/setup_fail/1.py b/beat/backend/python/test/prefix/algorithms/sequential/setup_fail/1.py
index acb5247..921890b 100755
--- a/beat/backend/python/test/prefix/algorithms/sequential/setup_fail/1.py
+++ b/beat/backend/python/test/prefix/algorithms/sequential/setup_fail/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def setup(self, parameters):
         return False
 
diff --git a/beat/backend/python/test/prefix/algorithms/sequential/valid_algorithm/1.py b/beat/backend/python/test/prefix/algorithms/sequential/valid_algorithm/1.py
index 982c1e2..3b19beb 100755
--- a/beat/backend/python/test/prefix/algorithms/sequential/valid_algorithm/1.py
+++ b/beat/backend/python/test/prefix/algorithms/sequential/valid_algorithm/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def setup(self, parameters):
         return True
 
diff --git a/beat/backend/python/test/prefix/algorithms/sequential/valid_analysis/1.py b/beat/backend/python/test/prefix/algorithms/sequential/valid_analysis/1.py
index 9b55464..8caf7a4 100755
--- a/beat/backend/python/test/prefix/algorithms/sequential/valid_analysis/1.py
+++ b/beat/backend/python/test/prefix/algorithms/sequential/valid_analysis/1.py
@@ -35,7 +35,6 @@
 
 
 class Algorithm:
-
     def setup(self, parameters):
         return True
 
diff --git a/beat/backend/python/test/prefix/databases/crash/1.py b/beat/backend/python/test/prefix/databases/crash/1.py
index 956d118..abf25bb 100755
--- a/beat/backend/python/test/prefix/databases/crash/1.py
+++ b/beat/backend/python/test/prefix/databases/crash/1.py
@@ -34,12 +34,12 @@
 ###################################################################################
 
 
-from beat.backend.python.database import View
 from collections import namedtuple
 
+from beat.backend.python.database import View
 
-class IndexCrashes(View):
 
+class IndexCrashes(View):
     def index(self, *args, **kwargs):
         a = b
         return []
@@ -48,14 +48,13 @@ class IndexCrashes(View):
         return 0
 
 
-#----------------------------------------------------------
+# ----------------------------------------------------------
 
 
 class GetCrashes(View):
-
     def index(self, *args, **kwargs):
-        Entry = namedtuple('Entry', ['out'])
-        return [ Entry(1) ]
+        Entry = namedtuple("Entry", ["out"])
+        return [Entry(1)]
 
     def get(self, *args, **kwargs):
         a = b
diff --git a/beat/backend/python/test/prefix/databases/duplicate_key_error/1.py b/beat/backend/python/test/prefix/databases/duplicate_key_error/1.py
index e7037b8..1ffca6f 100644
--- a/beat/backend/python/test/prefix/databases/duplicate_key_error/1.py
+++ b/beat/backend/python/test/prefix/databases/duplicate_key_error/1.py
@@ -34,9 +34,10 @@
 ###################################################################################
 
 
+from collections import namedtuple
+
 import numpy
 
-from collections import namedtuple
 from beat.backend.python.database import View as BaseView
 
 
diff --git a/beat/backend/python/test/prefix/databases/integers_db/1.py b/beat/backend/python/test/prefix/databases/integers_db/1.py
index f9fd5c4..859044f 100755
--- a/beat/backend/python/test/prefix/databases/integers_db/1.py
+++ b/beat/backend/python/test/prefix/databases/integers_db/1.py
@@ -34,16 +34,16 @@
 ###################################################################################
 
 
-import random
-import numpy
 from collections import namedtuple
+
+import numpy
+
 from beat.backend.python.database import View
 
 
 class Double(View):
-
     def index(self, root_folder, parameters):
-        Entry = namedtuple('Entry', ['a', 'b', 'sum'])
+        Entry = namedtuple("Entry", ["a", "b", "sum"])
 
         return [
             Entry(1, 10, 11),
@@ -57,37 +57,27 @@ class Double(View):
             Entry(9, 90, 99),
         ]
 
-
     def get(self, output, index):
         obj = self.objs[index]
 
-        if output == 'a':
-            return {
-                'value': numpy.int32(obj.a)
-            }
+        if output == "a":
+            return {"value": numpy.int32(obj.a)}
 
-        elif output == 'b':
-            return {
-                'value': numpy.int32(obj.b)
-            }
+        elif output == "b":
+            return {"value": numpy.int32(obj.b)}
 
-        elif output == 'sum':
-            return {
-                'value': numpy.int32(obj.sum)
-            }
-        elif output == 'class':
-            return {
-                'value': numpy.int32(obj.cls)
-            }
+        elif output == "sum":
+            return {"value": numpy.int32(obj.sum)}
+        elif output == "class":
+            return {"value": numpy.int32(obj.cls)}
 
 
-#----------------------------------------------------------
+# ----------------------------------------------------------
 
 
 class Triple(View):
-
     def index(self, root_folder, parameters):
-        Entry = namedtuple('Entry', ['a', 'b', 'c', 'sum'])
+        Entry = namedtuple("Entry", ["a", "b", "c", "sum"])
 
         return [
             Entry(1, 10, 100, 111),
@@ -101,79 +91,63 @@ class Triple(View):
             Entry(9, 90, 900, 999),
         ]
 
-
     def get(self, output, index):
         obj = self.objs[index]
 
-        if output == 'a':
-            return {
-                'value': numpy.int32(obj.a)
-            }
+        if output == "a":
+            return {"value": numpy.int32(obj.a)}
 
-        elif output == 'b':
-            return {
-                'value': numpy.int32(obj.b)
-            }
+        elif output == "b":
+            return {"value": numpy.int32(obj.b)}
 
-        elif output == 'c':
-            return {
-                'value': numpy.int32(obj.c)
-            }
+        elif output == "c":
+            return {"value": numpy.int32(obj.c)}
 
-        elif output == 'sum':
-            return {
-                'value': numpy.int32(obj.sum)
-            }
+        elif output == "sum":
+            return {"value": numpy.int32(obj.sum)}
 
 
-#----------------------------------------------------------
+# ----------------------------------------------------------
 
 
 class Labelled(View):
-
     def index(self, root_folder, parameters):
-        Entry = namedtuple('Entry', ['label', 'value'])
+        Entry = namedtuple("Entry", ["label", "value"])
 
         return [
-            Entry('A', 1),
-            Entry('A', 2),
-            Entry('A', 3),
-            Entry('A', 4),
-            Entry('A', 5),
-            Entry('B', 10),
-            Entry('B', 20),
-            Entry('B', 30),
-            Entry('B', 40),
-            Entry('B', 50),
-            Entry('C', 100),
-            Entry('C', 200),
-            Entry('C', 300),
-            Entry('C', 400),
-            Entry('C', 500),
+            Entry("A", 1),
+            Entry("A", 2),
+            Entry("A", 3),
+            Entry("A", 4),
+            Entry("A", 5),
+            Entry("B", 10),
+            Entry("B", 20),
+            Entry("B", 30),
+            Entry("B", 40),
+            Entry("B", 50),
+            Entry("C", 100),
+            Entry("C", 200),
+            Entry("C", 300),
+            Entry("C", 400),
+            Entry("C", 500),
         ]
 
-
     def get(self, output, index):
         obj = self.objs[index]
 
-        if output == 'label':
-            return {
-                'value': obj.label
-            }
+        if output == "label":
+            return {"value": obj.label}
 
-        elif output == 'value':
-            return {
-                'value': numpy.int32(obj.value)
-            }
+        elif output == "value":
+            return {"value": numpy.int32(obj.value)}
 
 
-#----------------------------------------------------------
+# ----------------------------------------------------------
 
 
 class DifferentFrequencies(View):
-
     def index(self, root_folder, parameters):
-        Entry = namedtuple('Entry', ['a', 'b'])
+        Entry = namedtuple("Entry", ["a", "b"])
 
         return [
             Entry(1, 10),
@@ -186,16 +160,11 @@ class DifferentFrequencies(View):
             Entry(2, 80),
         ]
 
-
     def get(self, output, index):
         obj = self.objs[index]
 
-        if output == 'a':
-            return {
-                'value': numpy.int32(obj.a)
-            }
+        if output == "a":
+            return {"value": numpy.int32(obj.a)}
 
-        elif output == 'b':
-            return {
-                'value': numpy.int32(obj.b)
-            }
+        elif output == "b":
+            return {"value": numpy.int32(obj.b)}
diff --git a/beat/backend/python/test/prefix/databases/integers_db/2.py b/beat/backend/python/test/prefix/databases/integers_db/2.py
index 0ebebd6..859044f 100644
--- a/beat/backend/python/test/prefix/databases/integers_db/2.py
+++ b/beat/backend/python/test/prefix/databases/integers_db/2.py
@@ -34,8 +34,10 @@
 ###################################################################################
 
 
-import numpy
 from collections import namedtuple
+
+import numpy
+
 from beat.backend.python.database import View
 
 
diff --git a/beat/backend/python/test/prefix/databases/integers_db_env/1.py b/beat/backend/python/test/prefix/databases/integers_db_env/1.py
index 0ebebd6..859044f 100755
--- a/beat/backend/python/test/prefix/databases/integers_db_env/1.py
+++ b/beat/backend/python/test/prefix/databases/integers_db_env/1.py
@@ -34,8 +34,10 @@
 ###################################################################################
 
 
-import numpy
 from collections import namedtuple
+
+import numpy
+
 from beat.backend.python.database import View
 
 
diff --git a/beat/backend/python/test/prefix/databases/integers_db_env/2.py b/beat/backend/python/test/prefix/databases/integers_db_env/2.py
index 0ebebd6..859044f 100644
--- a/beat/backend/python/test/prefix/databases/integers_db_env/2.py
+++ b/beat/backend/python/test/prefix/databases/integers_db_env/2.py
@@ -34,8 +34,10 @@
 ###################################################################################
 
 
-import numpy
 from collections import namedtuple
+
+import numpy
+
 from beat.backend.python.database import View
 
 
diff --git a/beat/backend/python/test/prefix/databases/python_keyword/1.py b/beat/backend/python/test/prefix/databases/python_keyword/1.py
index 34b7e83..8011b6d 100755
--- a/beat/backend/python/test/prefix/databases/python_keyword/1.py
+++ b/beat/backend/python/test/prefix/databases/python_keyword/1.py
@@ -34,22 +34,20 @@
 ###################################################################################
 
 
-import random
-import numpy
 from collections import namedtuple
+
+import numpy
+
 from beat.backend.python.database import View
 
 
 class Keyword(View):
     def __init__(self):
         super(Keyword, self)
-        self.output_member_map = {
-            'class': 'cls',
-            'def': 'definition'
-        }
+        self.output_member_map = {"class": "cls", "def": "definition"}
 
     def index(self, root_folder, parameters):
-        Entry = namedtuple('Entry', ['cls', 'definition', 'sum'])
+        Entry = namedtuple("Entry", ["cls", "definition", "sum"])
 
         return [
             Entry(1, 10, 11),
@@ -63,21 +61,12 @@ class Keyword(View):
             Entry(9, 90, 99),
         ]
 
-
     def get(self, output, index):
         obj = self.objs[index]
 
-        if output == 'class':
-            return {
-                'value': numpy.int32(obj.cls)
-            }
-        elif output == 'def':
-            return {
-                'value': numpy.int32(obj.definition)
-            }
-        elif output == 'sum':
-            return {
-                'value': numpy.int32(obj.sum)
-            }
-
-
+        if output == "class":
+            return {"value": numpy.int32(obj.cls)}
+        elif output == "def":
+            return {"value": numpy.int32(obj.definition)}
+        elif output == "sum":
+            return {"value": numpy.int32(obj.sum)}
diff --git a/beat/backend/python/test/prefix/databases/with_parameters/1.py b/beat/backend/python/test/prefix/databases/with_parameters/1.py
index 8e75c18..4df9c1e 100644
--- a/beat/backend/python/test/prefix/databases/with_parameters/1.py
+++ b/beat/backend/python/test/prefix/databases/with_parameters/1.py
@@ -34,9 +34,10 @@
 ###################################################################################
 
 
+from collections import namedtuple
+
 import numpy
 
-from collections import namedtuple
 from beat.backend.python.database import View as BaseView
 
 
diff --git a/beat/backend/python/test/prefix/databases/with_parameters/2.py b/beat/backend/python/test/prefix/databases/with_parameters/2.py
index 8e75c18..4df9c1e 100644
--- a/beat/backend/python/test/prefix/databases/with_parameters/2.py
+++ b/beat/backend/python/test/prefix/databases/with_parameters/2.py
@@ -34,9 +34,10 @@
 ###################################################################################
 
 
+from collections import namedtuple
+
 import numpy
 
-from collections import namedtuple
 from beat.backend.python.database import View as BaseView
 
 
diff --git a/beat/backend/python/test/prefix/dataformats/user/3d_array_of_complexes/1.json b/beat/backend/python/test/prefix/dataformats/user/3d_array_of_complexes/1.json
index 5c27e05..2587023 100644
--- a/beat/backend/python/test/prefix/dataformats/user/3d_array_of_complexes/1.json
+++ b/beat/backend/python/test/prefix/dataformats/user/3d_array_of_complexes/1.json
@@ -1,4 +1,3 @@
 {
     "value": [5, 30, 10, "complex128"]
 }
-
diff --git a/beat/backend/python/test/prefix/dataformats/user/3d_array_of_floats/1.json b/beat/backend/python/test/prefix/dataformats/user/3d_array_of_floats/1.json
index 37b52c4..8f31086 100644
--- a/beat/backend/python/test/prefix/dataformats/user/3d_array_of_floats/1.json
+++ b/beat/backend/python/test/prefix/dataformats/user/3d_array_of_floats/1.json
@@ -1,4 +1,3 @@
 {
     "value": [0, 0, 0, "float64"]
 }
-
diff --git a/beat/backend/python/test/prefix/dataformats/user/single_bytes/1.json b/beat/backend/python/test/prefix/dataformats/user/single_bytes/1.json
new file mode 100644
index 0000000..a3ad982
--- /dev/null
+++ b/beat/backend/python/test/prefix/dataformats/user/single_bytes/1.json
@@ -0,0 +1,3 @@
+{
+    "value": "bytes"
+}
diff --git a/beat/backend/python/test/prefix/dataformats/user/single_bytes/1.rst b/beat/backend/python/test/prefix/dataformats/user/single_bytes/1.rst
new file mode 100644
index 0000000..e62c1c4
--- /dev/null
+++ b/beat/backend/python/test/prefix/dataformats/user/single_bytes/1.rst
@@ -0,0 +1 @@
+Test documentation
-- 
GitLab