SSL.SSLCERTVERIFICATIONERROR: [SSL: certificate_verify_failed] Certificate Vérifier l'échec: Impossible d'obtenir un certificat local émetteur (_SSL.C: 1091)
Once upon a time I stumbled with this issue. If you're using macOS go to Macintosh HD > Applications > Python3.6 folder (or whatever version of python you're using) > double click on "Install Certificates.command" file.
Stockholm