code: def _set_in_file(in_file):
      global _in_file
      _in_file = in_file
  
file_path: nni/nni/runtime/tuner_command_channel/legacy.py
imports: import logging
  import os
  import threading
  from .command_type import CommandType
label_desc: Use image node_id 1 for calling a global function with example usage: _set_in_file(in_file) without return types