pip install 报错 Could not fetch URL
安装numpy 库时报错：Could not fetch URL https://pypi.python.org/simple/wheel/: 解决办法： pip --trusted-host pypi.python.org install wheel ...
原文：pip install 报错 Could not fetch URL
Could not fetch URL https: pypi.python.org simple xxx : There was a problem confirming the ssl certificate: SSL: CERTIFICATE VERIFY FAILED certificate verify failed ssl.c: skipping Could not find a v ...
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