code: def fix_keywords(txt):
      """
      replaces javascript keywords true, false, null with Python keywords
      """
      fix_word = {"true": "True", "false": "False", "null": "None"}
      for js_keyword, python_keyword in fix_word.items():
          txt = txt.replace(js_keyword, python_keyword)
      return txt
  
imports: from collections import OrderedDict
  import copy
  import os
  from textwrap import fill, dedent
  from dash.development.base_component import _explicitize_args
  from dash.exceptions import NonExistentEventException
  from ._all_keywords import python_keywords
  from ._collect_nodes import collect_nodes, filter_base_nodes
  from .base_component import Component
label_desc: Use image node_id 12 for calling a global function with example usage: fix_keywords(txt) and returns: txt