Crash with Python 3.5

[rapgro]

Reproducible with Python 3.4, too. But no issue in Python 2.

Description of problem: Crashes at launch.
Version-Release number of selected component (if applicable): apx-0.1-7.fc24
How reproducible: Start apx

Actual results:

  File "/usr/bin/apx", line 26, in <module>
    from apx.lib import graphics
  File "/usr/lib/python3.5/site-packages/apx/lib/graphics.py", line 185, in <module>
    class Graphics(object):
ValueError: 'colors' in __slots__ conflicts with class variable

Expected results: Run.