1. pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.                                                在下载python库的时候,由于国内网络原因,python包的下载速度非常慢,查看pip 文档,只要在 pip的时候控制超时即可, 具体参数为 --default-timeout=100, 后面的时间可以自己指定。解决方法

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