raise AttributeError('%r does not have __implements__' % source_module)
AttributeError: <module 'gevent.contextvars' from '/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/gevent/contextvars.py'> does not have __implements__
这是啥情况，在别人的电脑上就没问题
framework安装包有问题，删除重新安装下framework库