if file.filename == f"{youtube_id}_transcript.txt":

app.py

@@ -998,10 +998,10 @@ def chat_with_youtube_transcript(youtube_id, thread_id, user_message, chat_histo
     assistant_id = "asst_kmvZLNkDUYaNkMNtZEAYxyPq"
     client = OPEN_AI_CLIENT
     # 根據 youtube_id 找到 file_id
-    file_list = client.beta.assistants.files.list(assistant_id=assistant_id)
+    file_list = client.files.list()
     if len(file_list.data) > 0:
         for file in file_list.data:
-            if file.name == f"{youtube_id}_transcript.txt":
+            if file.filename == f"{youtube_id}_transcript.txt":
                 file_id = file.id
                 break
             else: