code: def raise_fail_exc():
      raise AirflowFailException
  
file_path: airflow/tests/dags/test_datasets.py
imports: from __future__ import annotations
  from datetime import datetime
  from airflow.datasets import Dataset
  from airflow.exceptions import AirflowFailException, AirflowSkipException
  from airflow.models.dag import DAG
  from airflow.operators.bash import BashOperator
  from airflow.operators.python import PythonOperator
label_desc: Use image node_id 2 for calling a global function with example usage: raise_fail_exc() without return types