chore(fmt): apply formatting rules

Signed-off-by: Jason C. Nucciarone <[email protected]>

tests/unit/conftest.py

@@ -28,6 +28,7 @@ def fake_fs(fs):
     """Mock filesystem for configuration hook unit tests."""
     yield fs
 
+
 @pytest.fixture
 def env():
     """Mock the snap runtime environment."""