code: def heartbeat(self):
          '''Record the current worker state in the registry.
  
          This records the worker's current mode, plus the contents of
          :meth:`environment`, in the data store for inspection by others.
  
          :returns mode: Current mode, as :meth:`TaskMaster.get_mode`
  
          '''
          mode = self.task_master.get_mode()
          self.task_master.worker_heartbeat(self.worker_id, mode,
                                            self.lifetime, self.environment(),
                                            parent=self.parent)
          return modf heartbeat(self):
          '''Record the current worker state in the registry.
  
          This records the worker's current mode, plus the contents of
          :meth:`environment`, in the data store for inspection by others.
  
          :returns mode: Current mode, as :meth:`TaskMaster.get_mode`
  
          '''
          mode = self.task_master.get_mode()
          self.task_master.worker_heartbeat(self.worker_id, mode,
                                            self.lifetime, self.environment(),
                                            parent=self.parent)
          return mode
docs: Record the current worker state in the registry.
  
          This records the worker's current mode, plus the contents of
          :meth:`environment`, in the data store for inspection by others.
  
          :returns mode: Current mode, as :meth:`TaskMaster.get_mode`