code: def write_other_thing():
      print(os.environ.get("RANK", "0") * 5, flush=True)
  
file_path: fastNLP/tests/core/utils/test_distributed.py
imports: import os
  import pytest
  from fastNLP.envs.distributed import rank_zero_call, all_rank_call_context
  from tests.helpers.utils import re_run_current_cmd_for_torch, Capturing, magic_argv_env_context
label_desc: Use image node_id 2 for calling a global function with example usage: write_other_thing() without return types