code: def import_entities(self, entities):
          
          edata = Entity.create_payload(entities)
          r = fapi.upload_entities(self.namespace, self.name,
                                   edata, self.api_url)
          fapi._check_response_code(r, 201)
docs: Upload entity objects.
  
          Args:
              entities: iterable of firecloud.Entity objects.