diff --git a/doc/example_alias.py b/doc/example_alias.py
index baae101ab0d9640761e383a103e863b74d0795f8..eb5a232d5851051db49255f662281d1bf4a23518 100644
--- a/doc/example_alias.py
+++ b/doc/example_alias.py
@@ -8,9 +8,10 @@
 # essential packages needed to start the CLI.  Defer all other imports to
 # within the function implementing the command.
 
-import clapp.click
 import click
 
+import clapp.click
+
 
 @click.group(cls=clapp.click.AliasedGroup)
 def main():
diff --git a/tests/test_click.py b/tests/test_click.py
index b478a05a78d4e485a3c2bb1989c81d301e81c366..4be1cf36084bbfadde1f23804cd62efd88cf0434 100644
--- a/tests/test_click.py
+++ b/tests/test_click.py
@@ -7,6 +7,8 @@ import logging
 
 import click
 
+from click.testing import CliRunner
+
 from clapp.click import (
     AliasedGroup,
     ConfigCommand,
@@ -14,7 +16,6 @@ from clapp.click import (
     log_parameters,
     verbosity_option,
 )
-from click.testing import CliRunner
 
 
 def test_prefix_aliasing():
diff --git a/tests/test_config.py b/tests/test_config.py
index cebedae709b7a9841765bfd71593bf6af7950c74..7d4fbe7fcc49f084176a3860b01e03072874d590 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -7,10 +7,11 @@ import io
 
 import pytest
 
+from click.testing import CliRunner
+
 from clapp.click import config_group
 from clapp.config import load, mod_to_context
 from clapp.logging import setup as logger_setup
-from click.testing import CliRunner
 
 
 def test_basic(datadir):
diff --git a/tests/test_logging.py b/tests/test_logging.py
index 9d254bdc0d0ebfa4e647568ff3489efe2c3d93c2..684656d385fc90fae407abbae105780c5042f5cd 100644
--- a/tests/test_logging.py
+++ b/tests/test_logging.py
@@ -5,12 +5,14 @@
 import io
 import logging
 
-import clapp.logging
 import click
 
-from clapp.click import verbosity_option
 from click.testing import CliRunner
 
+import clapp.logging
+
+from clapp.click import verbosity_option
+
 
 def test_logger_setup():
     lo = io.StringIO()
diff --git a/tests/test_rc.py b/tests/test_rc.py
index fecefa8df44887c9c44e0004a6dbd754c87c8442..fe350d6c62fceed86ee4fd93b8ac9cd544eaf708 100644
--- a/tests/test_rc.py
+++ b/tests/test_rc.py
@@ -9,9 +9,10 @@ import shutil
 
 import pytest
 
+from click.testing import CliRunner
+
 from clapp.click import user_defaults_group
 from clapp.rc import UserDefaults
-from click.testing import CliRunner
 
 
 def _check_userdefaults_ex1_contents(rc):