class_docstr: Helper methods for Airflow Handler.
class_docstr_tok: ["Helper","methods","for","Airflow","Handler","."]
docstr: Lists all runs of a pipeline in Airflow.
docstr_tok: ["Lists","all","runs","of","a","pipeline","in","Airflow","."]
code: def list_runs(self) -> None:
      """Lists all runs of a pipeline in Airflow."""
      pipeline_name = self.flags_dict[labels.PIPELINE_NAME]
      self._check_pipeline_existence(pipeline_name)
      runs = self._get_all_runs(pipeline_name)
      self._print_runs(runs)
  
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 14 for calling the AirflowHandler obj's underlying member method code with example usage: obj.list_runs() without return types