Make sure the png_data method is available

This commit is contained in:
Thomas Scholtes 2014-03-09 12:50:24 +01:00
parent 57d7a51b5c
commit d2b627cc1c

View file

@ -63,7 +63,7 @@ class ArtTestMixin(object):
self.assertEqual(mediafile.art, self.jpg_data)
class ImageStructureTestMixin(object):
class ImageStructureTestMixin(ArtTestMixin):
"""Test reading and writing multiple image tags.
The tests use the `image` media file fixture. The tags of these files