runtime error

Exit code: 1. Reason: Traceback (most recent call last): File "/home/user/app/app.py", line 12, in <module> from config import DEFAULT_THEME, DEFAULT_SYS_PROMPT, save_history, get_text, user_config, bot_config, welcome_config, markdown_config, upload_config, api_key, base_url, MODEL, THINKING_MODEL, bucket File "/home/user/app/config.py", line 18, in <module> bucket = oss2.Bucket(auth, endpoint, bucket_name, region=region) File "/usr/local/lib/python3.10/site-packages/oss2/api.py", line 689, in __init__ super(Bucket, self).__init__(auth, endpoint, is_cname, session, connect_timeout, File "/usr/local/lib/python3.10/site-packages/oss2/api.py", line 208, in __init__ self.endpoint = _normalize_endpoint(endpoint.strip()) AttributeError: 'NoneType' object has no attribute 'strip'

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