Answer by Amit Kadam for Conda update fails with SSL error CERTIFICATE_VERIFY_FAILED

Same issue I faced below pip configurations fixed my error

1. pip config --user set global.index https://your-domain/repository/public-lib-python-pypi/pypi
2. pip config --user set global.index-url https://your-domain/repository/public-lib-python-pypi/simple 
3. pip config --user set global.trusted-host your-domain