pip安裝軟件時出現Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build*的解決方案

pip安裝軟件時出現：Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-*(其中×與要安裝的軟件有關)python 好比安裝pip install pyparsing==1.5.7出現如下錯誤： Command "python setup.py egg_info" failed with er

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