def METHOD_NAME(self, create, extracted, **kwargs):
    """Accepts a list of language codes and adds each language to the
    Conference allowed languages.
    This fixture makes easier to add allowed languages to a Conference in the tests
    """
    if not create:
        return
    if extracted:
        for language_code in extracted:
            self.METHOD_NAME.add(Language.objects.get(code=language_code))