@ -27,7 +27,7 @@ class ConferenceIndex(indexes.SearchIndex, indexes.Indexable, ExpoSearchMixin):
members_choice = indexes.IntegerField()
visitors_choice = indexes.IntegerField()
price_choice = indexes.IntegerField()
price_choice_eur = indexes.IntegerField(model_attr='price_choice_eur')
price_choice_eur = indexes.IntegerField(model_attr='price_choice_eur', null=True)
expohit = indexes.BooleanField(model_attr='expohit')
rating = indexes.MultiValueField()
@ -28,7 +28,7 @@ class ExpositionIndex(indexes.SearchIndex, indexes.Indexable, ExpoSearchMixin):