def get_report_stat_by_id(self, report_id):
    return self.db['reports'].find_one({'_id': report_id}, {'text': 0, 'words.unique_words': 0})
def get_report_stat_by_id(self, report_id):
    return self.db['reports'].find_one({'_id': report_id}, {'text': 0, 'words.unique_words': 0})