code: def old_config_file():
      """Open config file with original config from an experiment in db"""
      with _GenerateConfig("orion_old_config.yaml") as file:
          yield file
  
file_path: orion/tests/unittests/core/io/conftest.py
imports: import copy
  import os
  import tempfile
  import pytest
  from orion.core.evc import conflicts
label_desc: Use image node_id 3 for calling a global function with example usage: old_config_file() without return types