code: def setup_class(cls):
      cls.parser = cli_parser.get_parser()
  
file_path: airflow/tests/cli/commands/test_version_command.py
imports: from __future__ import annotations
  from contextlib import redirect_stdout
  from io import StringIO
  import airflow.cli.commands.version_command
  from airflow.cli import cli_parser
  from airflow.version import version
label_desc: Use image node_id 1 for calling the TestCliVersion obj's underlying member method code with example usage: obj.setup_class(cls) without return types