Error with https://app.commitpool.com

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