code: def _get_inline_translations(self, request, language_code, obj=None):
          
          inline_instances = self.get_inline_instances(request, obj=obj)
          for inline in inline_instances:
              if issubclass(inline.model, TranslatableModelMixin):
                  # leverage inlineformset_factory() to find the ForeignKey.
                  # This also resolves the fk_name if it's set.
                  fk = inline.get_formset(request, obj).fk
  
                  rel_name = 'master__{0}'.format(fk.name)
                  filters = {
                      'language_code': language_code,
                      rel_name: obj
                  }
  
                  for translations_model in inline.model._parler_meta.get_all_models():
                      qs = translations_model.objects.filter(**filters)
                      if obj is not None:
                          qs = qs.using(obj._state.db)
  
                      yield inline, qs
docs: Fetch the inline translations