code: def unescape(url):
      '''
      remove escape character `|` from `url`
      '''
      scheme = urlparse(url).scheme
      if not scheme:
          return url.lstrip('|')
      elif scheme == 'salt':
          path, saltenv = parse(url)
          if salt.utils.platform.is_windows() and '|' in url:
              return create(path.lstrip('_'), saltenv)
          else:
              return create(path.lstrip('|'), saltenv)
      else:
          return urf unescape(url):
      '''
      remove escape character `|` from `url`
      '''
      scheme = urlparse(url).scheme
      if not scheme:
          return url.lstrip('|')
      elif scheme == 'salt':
          path, saltenv = parse(url)
          if salt.utils.platform.is_windows() and '|' in url:
              return create(path.lstrip('_'), saltenv)
          else:
              return create(path.lstrip('|'), saltenv)
      else:
          return url
docs: remove escape character `|` from `url`