[fix] make private votes visible as expected

main.py

@@ -441,7 +441,7 @@ def can_see_vote(idvote, iduser=-1):
         return False
     if not vote['is_public']:
         user = query_db('select * from users where id=?', [iduser], one=True)
-        if query_db('select * from user_group where id_user = ? and id_group = ?', [iduser, vote['id']], one=True) is None:
+        if query_db('select * from user_group where id_user = ? and id_group = ?', [iduser, vote['id_group']], one=True) is None:
             return False
     return True