~/src/_/playscii ♪ python3 playscii.py 
Playscii v0.1.1
OpenGL detected: 4.1 NVIDIA-10.0.43 310.41.05f01
GLSL detected: 4.10
Vertex Array Object support found.
creating new document art/new.psci
Traceback (most recent call last):
  File "/usr/local/lib/python3.4/site-packages/OpenGL/latebind.py", line 41, in __call__
    return self._finalCall( *args, **named )
TypeError: 'NoneType' object is not callable

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "playscii.py", line 531, in <module>
    app = Application(log_file, log_lines, file_to_load)
  File "playscii.py", line 117, in __init__
    self.load_art(art_filename)
  File "playscii.py", line 163, in load_art
    art = self.new_art(filename)
  File "playscii.py", line 139, in new_art
    charset = self.load_charset(self.starting_charset)
  File "playscii.py", line 190, in load_charset
    new_charset = CharacterSet(self, charset_to_load, log)
  File "/Users/jesper/src/_/playscii/charset.py", line 73, in __init__
    self.texture = Texture(img.tostring(), self.image_width, self.image_height)
  File "/Users/jesper/src/_/playscii/texture.py", line 16, in __init__
    self.gltex = GL.glGenTextures(1)
  File "/usr/local/lib/python3.4/site-packages/OpenGL/latebind.py", line 61, in __call__
    return self.wrapperFunction( self.baseFunction, *args, **named )
  File "/usr/local/lib/python3.4/site-packages/OpenGL/GL/exceptional.py", line 178, in glGenTextures
    baseFunction( count, textures)
  File "/usr/local/lib/python3.4/site-packages/OpenGL/latebind.py", line 45, in __call__
    return self._finalCall( *args, **named )
  File "/usr/local/lib/python3.4/site-packages/OpenGL/wrapper.py", line 664, in wrapperCall
    raise err
  File "/usr/local/lib/python3.4/site-packages/OpenGL/wrapper.py", line 657, in wrapperCall
    result = wrappedOperation( *cArguments )
  File "/usr/local/lib/python3.4/site-packages/OpenGL/platform/baseplatform.py", line 402, in __call__
    return self( *args, **named )
  File "/usr/local/lib/python3.4/site-packages/OpenGL/error.py", line 232, in glCheckError
    baseOperation = baseOperation,
OpenGL.error.GLError: GLError(
	err = 1282,
	description = b'invalid operation',
	baseOperation = glGenTextures,
	pyArgs = (1, c_uint(1)),
	cArgs = (1, <cparam 'P' (0x110ef9450)>),
	cArguments = (1, <cparam 'P' (0x110ef9450)>)
)