Fix some pylint errors

contrib/opentimelineio_contrib/adapters/tests/test_aaf_adapter.py

@@ -209,6 +209,7 @@
  "simple_data_track_marker_test.aaf"
 )
 
+
 def safe_str(maybe_str):
  """To help with testing between python 2 and 3, this function attempts to
  decode a string, and if it cannot decode it just returns the string.
@@ -1957,9 +1958,10 @@ def test_simplify_stack_track_clip(self):
  self.assertNotEqual(type(i), otio.schema.Clip)
 
  def test_aaf_data_track_markers(self):
- expected_markers = [('Frame 1', 0.0, 1.0, 24.0, 'GREEN'),
- ('Frame 23', 22.0, 1.0, 24.0, 'RED'),
- ('Frame 56', 55.0, 1.0, 24.0, 'GREEN'),
+ """Test that we can load a Data track and read the markers on it."""
+ expected_markers = [('Frame 1', 0.0, 1.0, 24.0, 'GREEN'),
+ ('Frame 23', 22.0, 1.0, 24.0, 'RED'),
+ ('Frame 56', 55.0, 1.0, 24.0, 'GREEN'),
  ('Frame 100', 99.0, 1.0, 24.0, 'RED')]
  aaf_path = DATA_TRACK_MARKERS_PATH
  timeline = otio.adapters.read_from_file(aaf_path, simplify=True)