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