code: def resume_instance(self, paused_info):
          
  
          if not paused_info.get("instance_id"):
              log.info("Instance to stop has no instance id.")
              return
  
          gce = self._connect()
  
          try:
              request = gce.instances().start(project=self._project_id,
                                              instance=paused_info["instance_id"],
                                              zone=self._zone)
              operation = self._execute_request(request)
              response = self._wait_until_done(operation)
              self._check_response(response)
              return
          except HttpError as e:
              log.error("Error restarting instance: `%s", e)
              raise InstanceError("Error restarting instance `%s`", e)
docs: Restarts a paused instance, retaining disk and config.
  
          :param str instance_id: instance identifier
          :raises: `InstanceError` if instance cannot be resumed.
  
          :return: dict - information needed to restart instance.