class_docstr: Helper methods for Airflow Handler.
class_docstr_tok: ["Helper","methods","for","Airflow","Handler","."]
code: def __init__(self, flags_dict):
      self._check_airflow_version()
      super().__init__(flags_dict)
      self._handler_home_dir = os.path.join(
          self._handler_home_dir, "dags", ""
      )
  
imports: import json
  import os
  import subprocess
  from typing import Any, Dict, List
  import click
  from tfx.dsl.io import fileio
  from tfx.tools.cli import labels
  from tfx.tools.cli.handler import airflow_dag_runner_patcher
  from tfx.tools.cli.handler import base_handler
  from tfx.utils import io_utils
label_desc: Use image node_id 1 to create a new AirflowHandler object from inherited base classes: base_handler with example: obj = AirflowHandler(flags_dict)