cert_reqs='CERT_NONE',
            ca_certs=ca_certs,
            retries=urllib3.Retry(
                total=5,
                backoff_factor=0.2,
                status_forcelist=[500, 502, 503, 504]
            )
        )

    def load(self):
        """
        Search for credentials with client_grants
        """
        if self.cid is not None:
            fetcher = self._create_credentials_fetcher()