Fix ConfigException  in create_context
Fix ConfigException  in create_context

oktayacikalin/pyglet,mammadori/pyglet,oktayacikalin/pyglet,theblacklion/pyglet,theblacklion/pyglet,oktayacikalin/pyglet,mammadori/pyglet,oktayacikalin/pyglet,oktayacikalin/pyglet,mammadori/pyglet,theblacklion/pyglet,theblacklion/pyglet,mammadori/pyglet,theblacklion/pyglet