This method is used when sslError occurs when upgrading pip, where lightgbm is the package you want to install.
pip install lightgbm -i http://pypi.douban.com/simple --trusted-host pypi.douban.com
This method is used when sslError occurs when upgrading pip, where lightgbm is the package you want to install.
pip install lightgbm -i http://pypi.douban.com/simple --trusted-host pypi.douban.com