code: def test_meta_schedule_task_scheduler_avoid_cyclic():  # pylint: disable=invalid-name
      scheduler = MyTaskScheduler()
      test = weakref.ref(
          scheduler
      )  # test if it can be destructed successfully
      del scheduler
      assert test() is None
  
imports: import random
  import weakref
  from typing import Set
  import pytest
  import tvm
  import tvm.testing
  from tvm import meta_schedule
  from tvm.meta_schedule.testing.dummy_object import DummyBuilder, DummyRunner
  from tvm.script import tir
  from tvm.tir import Schedule
label_desc: Use image node_id 6 for calling a global function with example usage: test_meta_schedule_task_scheduler_avoid_cyclic() without return types