docs: def reconstruct_uri(environ):
      """
      Reconstruct the relative part of the request URI. I.e. if the requested URL
      is https://foo.bar/spam?eggs, ``reconstruct_uri`` returns ``'/spam?eggs'``.
      """
      uri = environ.get('SCRIPT_NAME', '') + environ['PATH_INFO']
      if environ.get('QUERY_STRING'):
          uri += '?' + environ['QUERY_STRING']
      return uri