The best replacement for pyopengl is pyglet.

The best alternatives to pyopengl are rated as following:
★★★★★  pyglet
★★★  pygame

Your alternative for pyopengl is not listed? Suggest!
Speaking about pyopengl, one probably shouldn't forget about pygame.

Other search terms related to pyopengl and their ratings are:
★★★★★ pygame
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pyopengl
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