code: def _isdictclass(obj):
      '''Return True for known dict objects.
      '''
      c = getattr(obj, '__class__', None)
      return c and c.__name__ in _dict_classes.get(c.__module__, ()f _isdictclass(obj):
      '''Return True for known dict objects.
      '''
      c = getattr(obj, '__class__', None)
      return c and c.__name__ in _dict_classes.get(c.__module__, ())
docs: Return True for known dict objects.