code: def post_fork():
      yield
  
file_path: metaflow/metaflow/tracing/__init__.py
imports: import sys
  from metaflow.metaflow_config import OTEL_ENDPOINT, ZIPKIN_ENDPOINT, CONSOLE_TRACE_ENABLED, DISABLE_TRACING, DEBUG_TRACING
  from functools import wraps
  import contextlib
  from typing import Dict
label_desc: Use image node_id 2 for calling a global function with example usage: post_fork() without return types