code: def __newobj_ex__(cls, args, kwargs):
      """Used by pickle protocol 4, instead of __newobj__ to allow classes with
      keyword-only arguments to be pickled correctly.
      """
      return cls.__new__(cls, *args, **kwargs)
  
file_path: catboost/contrib/tools/python3/src/Lib/copyreg.py
label_desc: Use image node_id 7 for calling a global function with example usage: __newobj_ex__(cls, args, kwargs) and returns: cls