diff --git a/src/pip/_internal/cli/base_command.py b/src/pip/_internal/cli/base_command.py
index 5130a45053f..6a3b8e6c213 100644
--- a/src/pip/_internal/cli/base_command.py
+++ b/src/pip/_internal/cli/base_command.py
@@ -131,7 +131,6 @@ def _main(self, args: List[str]) -> int:
                 ", ".join(sorted(always_enabled_features)),
             )
 
-
         # Make sure that the --python argument isn't specified after the
         # subcommand. We can tell, because if --python was specified,
         # we should only reach this point if we're running in the created
diff --git a/tests/functional/test_python_option.py b/tests/functional/test_python_option.py
index ca124933e12..ecfd819eb7c 100644
--- a/tests/functional/test_python_option.py
+++ b/tests/functional/test_python_option.py
@@ -40,6 +40,7 @@ def test_python_interpreter(
     result = script.pip("--python", env_path, "list", "--format=json")
     assert json.loads(result.stdout) == before
 
+
 def test_error_python_option_wrong_location(
     script: PipTestEnvironment,
     tmpdir: Path,