def resume(self):
    with self._instances_change_lock:
      if not self._suspended:
        raise request_info.ServerAlreadyStartedError()
      self._suspended = False
      with self._condition:
        if self._quit_event.is_set():
          return
        wsgi_servers = self._wsgi_servers
      instances_to_start = []
      for instance_id, wsgi_servr in enumerate(wsgi_servers):
        inst = self._instance_factory.new_instance(instance_id,
                                                   expect_ready_request=True)
        wsgi_servr.set_app(functools.partial(self._handle_request, inst=inst))
        self._port_registry.add(wsgi_servr.port, self, inst)
        with self._condition:
          if self._quit_event.is_set():
            return
          self._instances[instance_id] = inst

        instances_to_start.append((wsgi_servr, inst))
    for wsgi_servr, inst in instances_to_start:
      self._async_start_instance(wsgi_servr, inst)
Return the display size associated with a plot before
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/tools/devappserver2/server.py/ManualScalingServer.resume--crossover with--dataset/ETHPy150Open ioam/holoviews/holoviews/plotting/renderer.py/Renderer.get_size