pycharm安裝pip時Could not fetch URI https://pypi.python.org/simple/pip/: There was a problem

pycharm安裝pip時Could not fetch URI https://pypi.python.org/simple/pip/: There was a problem 解決方案 step 01 step 02 step 03 此解決方法用於pycharm中的pip無法升級，提示 pycharm安裝pip時Could not fetch URI 解決方案 step 01 使用pychar

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