def METHOD_NAME(self, commit=True):
    instance = super().METHOD_NAME(commit=commit)
    if commit is True:
        for lang_code in self.languages:
            if lang_code in self.data:
                instance.set_current_language(lang_code)
                for fieldname, _cls, _kwargs in self.translated_fields:
                    identifier = '{}__{}'.format(lang_code, fieldname)
                    setattr(instance, fieldname,
                            self.cleaned_data.get(identifier))
                instance.METHOD_NAME()
            elif instance.has_translation(lang_code):
                instance.delete_translation(lang_code)
    return instance