Error with https://www.seogo.me/about.html

exception = HTTPSConnectionPool(host='www.seogo.me', port=443): Max retries exceeded with url: /about.html (Caused by SSLError(SSLCertVerificationError(1, "[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: Hostname mismatch, certificate is not valid for 'www.seogo.me'. (_ssl.c:992)")))