Traceback (most recent call last):
  File "/usr/games/balazar", line 138, in <module>
    balazar.game_interface.init()
  File "/usr/share/games/balazar/game_interface.py", line 39, in init
    soya.render()
  File "renderer.pyx", line 424, in _soya.render
  File "renderer.pyx", line 404, in _soya.check_gl_error
TypeError: exceptions must be strings, classes, or instances, not GLError