[prototypes] Cleanup using black

beat/core/prototypes/algorithm.py

 class Algorithm:
-
     def process(self, inputs, data_loaders, outputs):
 
         # TODO: Implement this algorithm

beat/core/prototypes/plotter.py

 class Plotter:
-
     def process(self, input):
 
         # TODO: Implement this plotter
 
-        #return image as a string
+        # return image as a string
         pass

beat/core/prototypes/view.py

 class View:
+    def setup(
+        self,
+        root_folder,
+        outputs,
+        parameters,
+        force_start_index=None,
+        force_end_index=None,
+    ):
+        """Initializes the database"""
 
-  def setup(self, root_folder, outputs, parameters, force_start_index=None, force_end_index=None):
-    '''Initializes the database'''
+        return True
 
-    return True
+    def done(self):
+        """Should return ``True``, when data is finished"""
 
+        return True
 
-  def done(self):
-    '''Should return ``True``, when data is finished'''
+    def next(self):
+        """Loads the next data block on ``outputs``"""
 
-    return True
-
-
-  def next(self):
-    '''Loads the next data block on ``outputs``'''
-
-    return True
+        return True