If the local preceded by a pip to download and install packages compiled libraries, but do not want to use the cache can be installed using the following command:
pip --no-cache-dir install 包名 -i 国内源
If the local preceded by a pip to download and install packages compiled libraries, but do not want to use the cache can be installed using the following command:
pip --no-cache-dir install 包名 -i 国内源