Solve title length problem

query.py

@@ -13,7 +13,8 @@ for paper in paper_list:
     if paper.bibcode == "2023arXiv230513380S":
         to_remove = paper
 
-    #paper.title = paper.title[0]
+    if len(paper.title) == 1:
+        paper.title = paper.title[0]
     paper.bibstem = paper.bibstem[0]
     if hasattr(paper, "page"):
         paper.page = paper.page[0]