class_docstr: Ensures that the task instance's state is in a given set of valid states.
  
  :param valid_states: A list of valid states that a task instance can have to meet
      this dependency.
  :return: whether or not the task instance's state is valid
code: def __hash__(self):
      return hash((type(self), tuple(self._valid_states)))
  
file_path: airflow/airflow/ti_deps/deps/valid_state_dep.py
imports: from __future__ import annotations
  from airflow.exceptions import AirflowException
  from airflow.ti_deps.deps.base_ti_dep import BaseTIDep
  from airflow.utils.session import provide_session
label_desc: Use image node_id 3 for calling the ValidStateDep obj's underlying member method code with example usage: obj.__hash__() and returns: hash