code: def HIDE_DOC(func):
      func.__HIDE_SPHINX_DOC__ = True
      return func
  
file_path: tensorpack/tensorpack/utils/develop.py
imports: import functools
  import importlib
  import os
  import types
  from collections import defaultdict
  from datetime import datetime
  import six
  from .None import logger
label_desc: Use image node_id 6 for calling a global function with example usage: HIDE_DOC(func) and returns: func