::查看已安装的库;
pip list

pip uninstall numpy -y
pip uninstall scipy -y
pip uninstall xlrd -y
pip uninstall matplotlib -y
pip uninstall jsbeautifier -y
pip uninstall cycler -y
pip uninstall fonttools -y
pip uninstall kiwisolver -y
pip uninstall pillow -y
pip uninstall pyparsing -y
pip uninstall python-dateutil -y
pip uninstall editorconfig -y

pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple numpy==1.23.2
pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple cycler==0.11.0
pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple fonttools==4.37.1
pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple kiwisolver==1.4.4 
pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple pillow==9.2.0
pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple pyparsing==3.0.9 
pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple python-dateutil==2.8.2 
pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple six==1.16.0
pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple scipy==1.9.1
pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple xlrd==1.2.0
pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple matplotlib==3.5.3
pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple editorconfig==0.12.3
pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple jsbeautifier==1.14.6
pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple pyserial==3.5
pip3 list

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