class_docstr: Context manager for setup/teardown tasks.
  
  :meta private:
code: def pop_context_managed_teardown_task(
      cls,
  ) -> AbstractOperator | list[AbstractOperator]:
      old_teardown_task = cls._context_managed_teardown_task
      if cls._previous_context_managed_teardown_task:
          cls._context_managed_teardown_task = (
              cls._previous_context_managed_teardown_task.pop()
          )
          teardown_task = cls._context_managed_teardown_task
          if teardown_task and old_teardown_task:
              cls.set_dependency(old_teardown_task, teardown_task)
      else:
          cls._context_managed_teardown_task = []
      return old_teardown_task
  
imports: from __future__ import annotations
  from typing import TYPE_CHECKING, cast
  from airflow.exceptions import AirflowException
label_desc: Use image node_id 4 for calling the BaseSetupTeardownContext obj's underlying member method code with example usage: obj.pop_context_managed_teardown_task(cls) and returns: old_teardown_task