Get answers either from inner_hits already present or by searching
        elasticsearch.

def get_answers(self):
        """
        Get answers either from inner_hits already present or by searching
        elasticsearch.
        """
        if 'inner_hits' in self.meta and 'answer' in self.meta.inner_hits:
            return self.meta.inner_hits.answer.hits
        return list(self.search_answers())