there was a problem confirming the ssl certificate httpsconnectionpool(host='pypi.org' port=443) code example
Example 1: pip install bs4 pip install --trusted-host files.pythonhosted.org --trusted-host pypi.org --trusted-host pypi.python.org
pip install --trusted-host files.pythonhosted.org --trusted-host pypi.org --trusted-host pypi.python.org bs4
Example 2: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443):
$ pip install --trusted-host pypi.org --trusted-host files.pythonhosted.org pip setuptools