code: def setup(self, worker):
      assert isinstance(worker, Worker)
      self.worker = worker
      self.worker._my_plugin_status = "setup"
      self.worker._my_plugin_data = self.data
  
      self.observed_notifications = []
  
file_path: distributed/distributed/diagnostics/tests/test_worker_plugin.py
imports: from __future__ import annotations
  import asyncio
  import warnings
  import pytest
  from distributed import Worker, WorkerPlugin
  from distributed.protocol.pickle import dumps
  from distributed.utils_test import async_poll_for, gen_cluster, inc
label_desc: Use image node_id 2 for calling the MyPlugin obj's underlying member method code with example usage: obj.setup(worker) without return types