code: def get_actor(self, actor, aid, check_monitor=True):
          '''Given an actor unique id return the actor proxy.'''
          a = super().get_actor(actor, aid)
          if a is None:
              if aid in self.monitors:  # Check in monitors aid
                  return self.monitors[aid]
              elif aid in self.managed_actors:
                  return self.managed_actors[aid]
              elif aid in self.registered:
                  return self.registered[aid]
              else:  # Finally check in workers in monitors
                  for m in self.monitors.values():
                      a = m.get_actor(aid, check_monitor=False)
                      if a is not None:
                          return a
          else:
              return f get_actor(self, actor, aid, check_monitor=True):
          '''Given an actor unique id return the actor proxy.'''
          a = super().get_actor(actor, aid)
          if a is None:
              if aid in self.monitors:  # Check in monitors aid
                  return self.monitors[aid]
              elif aid in self.managed_actors:
                  return self.managed_actors[aid]
              elif aid in self.registered:
                  return self.registered[aid]
              else:  # Finally check in workers in monitors
                  for m in self.monitors.values():
                      a = m.get_actor(aid, check_monitor=False)
                      if a is not None:
                          return a
          else:
              return a
docs: Given an actor unique id return the actor proxy.