neurosynth/base/lexparser.py
def p_list_feature(self, p):
        '''list : feature
            | WORD '''
        p[0] = self.dataset.get_studies(
            features=p[1], frequency_threshold=self.threshold, func=self.func,
            return_type='weights')
def p_list_feature(self, p):
        '''list : feature
            | WORD '''
        p[0] = self.dataset.get_studies(
            features=p[1], frequency_threshold=self.threshold, func=self.func,
            return_type='weights')
list : feature
            | WORD