pyglet.canvas.xlib.NoSuchDisplayException: Cannot connect to "None"

用pycharm远程连接服务器运行

 env.render()

报错:

pyglet.canvas.xlib.NoSuchDisplayException: Cannot connect to "None"

解决:

参考https://github.com/openai/gym/issues/735

或者直接在服务器命令行运行

 

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