code: def validate(self):
          
          if self.status_code == 200 and self.data.get("ok", False):
              self._logger.debug("Received the following response: %s", self.data)
              return self
          msg = "The request to the Slack API failed."
          raise e.SlackApiError(message=msg, response=self.data)
docs: Check if the response from Slack was successful.
  
          Returns:
              (SlackResponse)
                  This method returns it's own object. e.g. 'self'
  
          Raises:
              SlackApiError: The request to the Slack API failed.