code: def import_jwks(self, jwks, issuer):
          
          try:
              _keys = jwks["keys"]
          except KeyError:
              raise ValueError('Not a proper JWKS')
          else:
              try:
                  self.issuer_keys[issuer].append(
                      self.keybundle_cls(_keys, verify_ssl=self.verify_ssl))
              except KeyError:
                  self.issuer_keys[issuer] = [self.keybundle_cls(
                      _keys, verify_ssl=self.verify_ssl)]
docs: Imports all the keys that are represented in a JWKS
  
          :param jwks: Dictionary representation of a JWKS
          :param issuer: Who 'owns' the JWKS