code: def on_threads_request(self, py_db, request):
          '''
          :param ThreadsRequest request:
          '''
          return self.api.list_threads(py_db, request.seqf on_threads_request(self, py_db, request):
          '''
          :param ThreadsRequest request:
          '''
          return self.api.list_threads(py_db, request.seq)
docs: :param ThreadsRequest request: