code: def _do_documentation(handler):
      handler.send_response(200)
      handler.end_headers()
      handler.wfile.write(b"Here is some documentation.")
  
imports: import os
  import socket
  import sys
  import threading
  from absl import flags
  import tensorflow
  from tensorflow_hub import resolver
label_desc: Use image node_id 2 for calling a global function with example usage: _do_documentation(handler) without return types