Merge pull request #3063 from dzhwinter/fix_gen_list

"fix gen list"

python/paddle/v2/dataset/mq2007.py

@@ -242,9 +242,9 @@ def gen_list(querylist):
     if not isinstance(querylist, QueryList):
         querylist = QueryList(querylist)
     querylist._correct_ranking_()
-    relevance_score_list = [query.relevance_score for query in querylist]
+    relevance_score_list = [[query.relevance_score] for query in querylist]
     feature_vector_list = [query.feature_vector for query in querylist]
-    yield np.array(relevance_score_list).T, np.array(feature_vector_list)
+    yield np.array(relevance_score_list), np.array(feature_vector_list)
 
 
 def query_filter(querylists):