code: def _load_notebook(path):
      try:
          return json.load(open(path))
      except Exception as e:
          if log.getEffectiveLevel() <= logging.DEBUG:
              log.exception("load notebook '%s'", path)
          else:
              log.warning("error loading notebook '%s': %s", path, e)
          return None
  
imports: import ast
  import json
  import logging
  import os
  import re
  from guild import config
  from guild import guildfile
  from guild import model
  from guild import plugin
  from guild import python_util
  from guild import util
  from .None import flags_import_util
label_desc: Use image node_id 18 for calling a global function with example usage: _load_notebook(path) and returns: json, None