Traceback (most recent call last):


 "/usr/bin/quodlibet", line 14, in <module>

sys.exit(main())


 "/usr/lib64/python2.7/site-packages/quodlibet/main.py", line 69, in main

player = quodlibet.player.init_player(backend, app.librarian)


 "/usr/lib64/python2.7/site-packages/quodlibet/player/__init__.py", line 49, in init_player

return backend.init(librarian)


 "/usr/lib64/python2.7/site-packages/quodlibet/player/xinebe/player.py", line 341, in init

return XinePlaylistPlayer(driver, librarian)


 "/usr/lib64/python2.7/site-packages/quodlibet/player/xinebe/player.py", line 82, in __init__

driver = driver.encode("utf-8")
AttributeError: 'NoneType' object has no attribute 'encode'

Traceback (most recent call last):


 "test_dm_control.py", line 4, in <module>

from dm_control import suite


 "/usr/local/lib/python3.6/dist-packages/dm_control/suite/__init__.py", line 28, in <module>

from dm_control.suite import acrobot


 "/usr/local/lib/python3.6/dist-packages/dm_control/suite/acrobot.py", line 24, in <module>

from dm_control import mujoco


 "/usr/local/lib/python3.6/dist-packages/dm_control/mujoco/__init__.py", line 18, in <module>

from dm_control.mujoco.engine import action_spec


 "/usr/local/lib/python3.6/dist-packages/dm_control/mujoco/engine.py", line 44, in <module>

from dm_control import _render


 "/usr/local/lib/python3.6/dist-packages/dm_control/_render/__init__.py", line 75, in <module>

Renderer = import_func()


 "/usr/local/lib/python3.6/dist-packages/dm_control/_render/__init__.py", line 36, in _import_egl

from dm_control._render.pyopengl.egl_renderer import EGLContext


 "/usr/local/lib/python3.6/dist-packages/dm_control/_render/pyopengl/egl_renderer.py", line 43, in <module>

from dm_control._render.pyopengl import egl_ext as EGL


 "/usr/local/lib/python3.6/dist-packages/dm_control/_render/pyopengl/egl_ext.py", line 33, in <module>

from OpenGL import EGL


 "/usr/local/lib/python3.6/dist-packages/OpenGL/EGL/__init__.py", line 2, in <module>

from OpenGL.raw.EGL._types import *


 "/usr/local/lib/python3.6/dist-packages/OpenGL/raw/EGL/_types.py", line 87, in <module>

raw_eglQueryString = _p.PLATFORM.EGL.eglQueryString
AttributeError: 'NoneType' object has no attribute 'eglQueryString'
