full error from when you run the demo

stack_trace (text/plain), 416 bytes, created by David Honour on 2008-10-28 07:24:59 UTC

Hit ESC key to quit.
Traceback (most recent call last):
  File "./lesson6.py", line 228, in <module>
    main()
  File "./lesson6.py", line 221, in main
    InitGL(640, 480)
  File "./lesson6.py", line 87, in InitGL
    LoadTextures()
  File "./lesson6.py", line 76, in LoadTextures
    glTexImage2D(GL_TEXTURE_2D, 0, 3, ix, iy, 0, GL_RGBA, GL_UNSIGNED_BYTE, image)
OpenGL.GL.GLerror: [Errno 1280] invalid enumerant