code: def return_pub(self, ret):
          '''
          Return the data up to the master
          '''
          channel = salt.transport.client.ReqChannel.factory(self.opts, usage='salt_call')
          load = {'cmd': '_return', 'id': self.opts['id']}
          for key, value in six.iteritems(ret):
              load[key] = value
          try:
              channel.send(load)
          finally:
              channel.close(f return_pub(self, ret):
          '''
          Return the data up to the master
          '''
          channel = salt.transport.client.ReqChannel.factory(self.opts, usage='salt_call')
          load = {'cmd': '_return', 'id': self.opts['id']}
          for key, value in six.iteritems(ret):
              load[key] = value
          try:
              channel.send(load)
          finally:
              channel.close()
docs: Return the data up to the master