SSLCertificateError: version 1.6.3.0: HOMEPAGE: SSL cert error: HTTPSConnectionPool(host='www.serpentine.com', port=443): Max retries exceeded with url: /criterion (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self-signed certificate (_ssl.c:1004)'))): https://www.serpentine.com/criterion