Could not fetch URL https://pypi.org/simple/psycopg2/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with code example
Example: 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