code: def posixize_path(rel_path):
      """Use '/' as path separator, so that source references,
      like '{static}/foo/bar.jpg' or 'extras/favicon.ico',
      will work on Windows as well as on Mac and Linux."""
      return rel_path.replace(os.sep, "/")
  
imports: import datetime
  import fnmatch
  import locale
  import logging
  import os
  import pathlib
  import re
  import shutil
  import sys
  import traceback
  import urllib
  from collections.abc import Hashable
  from contextlib import contextmanager
  from functools import partial
  from html import entities
  from html.parser import HTMLParser
  from itertools import groupby
  from operator import attrgetter
  import dateutil.parser
  from markupsafe import Markup
  import watchfiles
label_desc: Use image node_id 12 for calling a global function with example usage: posixize_path(rel_path) and returns: rel_path