def get_fields(self):
        fields = super(BaseESSerializer, self).get_fields()
        for key, field in fields.items():
            if isinstance(field, TranslationSerializerField):
                fields[key] = ESTranslationSerializerField(source=field.source)
        return fields
Return all fields as normal, with one exception: replace every instance
dataset/ETHPy150Open mozilla/addons-server/src/olympia/api/serializers.py/BaseESSerializer.get_fields