解決python -m pip install --upgrade pip 升級不成功問題
據小編統計絕大多數朋友對這一問題很棘手,今天小編給大家分享這一問題的解決方案,一起看看吧
使用pip 提示更新:
You are using pip version 18.1, however version 20.0.2 is available. You should consider upgrading via the ’python -m pip install --upgrade pip’ command.
輸入python -m pip install --upgrade pip出現問題
這是因為服務器連接超時,使用下方代碼即可解決(因為pip源在國外,所以連起來比較慢,可以改用國內的源)
python -m pip install --upgrade pip -i https://pypi.douban.com/simple
問題解決
安裝其他包也可使用此方法加快下載速度比如 安裝pip install scipy
pip install scipy -i https://pypi.douban.com/simple
安裝
C:WINDOWSsystem32>pip install scipy -i https://pypi.douban.com/simpleLooking in indexes: https://pypi.douban.com/simpleCollecting scipy Downloading https://pypi.doubanio.com/packages/61/51/046cbc61c7607e5ecead6ff1a9453fba5e7e47a5ea8d608cc7036586a5ef/scipy-1.4.1-cp37-cp37m-win_amd64.whl (30.9 MB) |????????????????????????????????| 30.9 MB 6.8 MB/sCollecting numpy>=1.13.3 Downloading https://pypi.doubanio.com/packages/a9/38/f6d6d8635d496d6b4ed5d8ca4b9f193d0edc59999c3a63779cbc38aa650f/numpy-1.18.1-cp37-cp37m-win_amd64.whl (12.8 MB) |????????????????????????????????| 12.8 MB 6.4 MB/sInstalling collected packages: numpy, scipySuccessfully installed numpy-1.18.1 scipy-1.4.1C:WINDOWSsystem32>
總結
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