code: def format(self) -> str:
      s = f"status={self.status}; namespace={self.namespace}; name={self.name}; id={self.task_id};"
      if self.message:
          s += f' message={type(self.message)}: {", ".join(map(str, self.message.args))}'
      return s
  
file_path: gokart/gokart/testing/check_if_run_with_empty_data_frame.py
imports: import logging
  import sys
  from typing import List, Optional
  import luigi
  import pandas
  from luigi.cmdline_parser import CmdlineParser
  import gokart
label_desc: Use image node_id 2 for calling the _TestStatus obj's underlying member method code with example usage: obj.format() and returns: s