code: def transfer_project(self, to_namespace, **kwargs):
          
          path = '/projects/%s/transfer' % (self.id,)
          self.manager.gitlab.http_put(path,
                                       post_data={"namespace": to_namespace},
                                       **kwargs)
docs: Transfer a project to the given namespace ID
  
          Args:
              to_namespace (str): ID or path of the namespace to transfer the
              project to
              **kwargs: Extra options to send to the server (e.g. sudo)
  
          Raises:
              GitlabAuthenticationError: If authentication is not correct
              GitlabTransferProjectError: If the project could not be transfered