Extract the translations and save them after main object save.

        By default all translations will be saved no matter if creating
        or updating an object. Users with more complex needs might define
        their own save and handle translation saving themselves.

def save(self, **kwargs):
        """
        Extract the translations and save them after main object save.

        By default all translations will be saved no matter if creating
        or updating an object. Users with more complex needs might define
        their own save and handle translation saving themselves.
        """
        translated_data = self._pop_translated_data()
        instance = super(TranslatableModelSerializer, self).save(**kwargs)
        self.save_translations(instance, translated_data)
        return instance