SSLCertificateError: version 2.6-r1: HOMEPAGE: SSL cert error: HTTPSConnectionPool(host='www.ics.forth.gr', port=443): Max retries exceeded with url: /~lourakis/levmar/ (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1006)'))): https://www.ics.forth.gr/~lourakis/levmar/
  SSLCertificateError: version 2.6-r1: SRC_URI: SSL cert error: HTTPSConnectionPool(host='www.ics.forth.gr', port=443): Max retries exceeded with url: /~lourakis/levmar/levmar-2.6.tgz (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1006)'))): https://www.ics.forth.gr/~lourakis/levmar/levmar-2.6.tgz