bugfixing to course info saving method (#9)

Reviewed-on: https://gitea.tendokyu.moe/Dniel97/artemis/pulls/9
Co-authored-by: UncleJim <unclejim@noreply.gitea.tendokyu.moe>
Co-committed-by: UncleJim <unclejim@noreply.gitea.tendokyu.moe>

titles/idac/schema/item.py

@@ -810,7 +810,9 @@ class IDACItemData(BaseData):
 
     # This method returns a list of course_info
     def get_vs_course_infos_by_mode(self, aime_id: int, battle_mode: int) -> Optional[List[Row]]:
-        sql = select(vs_course_info).where(vs_course_info.c.user == aime_id, vs_course_info.c.battle_mode == battle_mode)
+        sql = select(vs_course_info).where(
+            and_(vs_course_info.c.user == aime_id, vs_course_info.c.battle_mode == battle_mode)
+        )
 
         result = self.execute(sql)
         if result is None: