#3 修正

queries_to_answers.py

@@ -16,6 +16,8 @@ def main (
     db = DatabaseManager (CONFIG)
     Model.set_connection_resolver (db)
     queries: list[Query] = Query.where ('answered', False).get ()
+    if not queries:
+        return
     query: Query = random.choice (queries)
     message: str | list[dict[str, str | dict[str, str]]]
     if query.image_url is None: