code: def invert_normalize_line_strings(line_strings, line_strings_old):
      return _invert_normalize_polygons_and_line_strings(
          line_strings,
          line_strings_old,
          estimate_line_strings_norm_type,
          "LineString",
          "LineStringsOnImage",
          lambda lsoi: lsoi.line_strings,
          lambda ls: ls.coords,
      )
  
imports: from __future__ import print_function, division, absolute_import
  import functools
  import numpy
  from ..None import imgaug
  from ..None import dtypes
  from .base import IAugmentable
label_desc: Use image node_id 21 for calling a global function with example usage: invert_normalize_line_strings(line_strings, line_strings_old) and returns: _invert_normalize_polygons_and_line_strings