code: def _eval_expectation(command, response, future):
          
          if isinstance(command.expectation, int) and command.expectation > 1:
              future.set_result(response == command.expectation or response)
          else:
              future.set_result(response == command.expectation)
docs: Evaluate the response from Redis to see if it matches the expected
          response.
  
          :param command: The command that is being evaluated
          :type command: tredis.client.Command
          :param bytes response: The response value to check
          :param future: The future representing the execution of the command
          :type future: tornado.concurrent.Future
          :return: