Exception in ASGI application, when audio ups to 20 seconds

[johnyu0]

ERROR: Exception in ASGI application
Traceback (most recent call last):
File "/usr/local/lib/python3.12/dist-packages/uvicorn/protocols/http/httptools_impl.py", line 399, in run_asgi
result = await app( # type: ignore[func-returns-value]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/uvicorn/middleware/proxy_headers.py", line 70, in call
return await self.app(scope, receive, send)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/fastapi/applications.py", line 1054, in call
await super().call(scope, receive, send)
File "/usr/local/lib/python3.12/dist-packages/starlette/applications.py", line 123, in call
await self.middleware_stack(scope, receive, send)
File "/usr/local/lib/python3.12/dist-packages/starlette/middleware/errors.py", line 186, in call
raise exc
File "/usr/local/lib/python3.12/dist-packages/starlette/middleware/errors.py", line 164, in call
await self.app(scope, receive, _send)
File "/usr/local/lib/python3.12/dist-packages/starlette/middleware/exceptions.py", line 65, in call
await wrap_app_handling_exceptions(self.app, conn)(scope, receive, send)
File "/usr/local/lib/python3.12/dist-packages/starlette/_exception_handler.py", line 64, in wrapped_app
raise exc
File "/usr/local/lib/python3.12/dist-packages/starlette/_exception_handler.py", line 53, in wrapped_app
await app(scope, receive, sender)
File "/usr/local/lib/python3.12/dist-packages/starlette/routing.py", line 756, in call
await self.middleware_stack(scope, receive, send)
File "/usr/local/lib/python3.12/dist-packages/starlette/routing.py", line 776, in app
await route.handle(scope, receive, send)
File "/usr/local/lib/python3.12/dist-packages/starlette/routing.py", line 297, in handle
await self.app(scope, receive, send)
File "/usr/local/lib/python3.12/dist-packages/starlette/routing.py", line 77, in app
await wrap_app_handling_exceptions(app, request)(scope, receive, send)
File "/usr/local/lib/python3.12/dist-packages/starlette/_exception_handler.py", line 64, in wrapped_app
raise exc
File "/usr/local/lib/python3.12/dist-packages/starlette/_exception_handler.py", line 53, in wrapped_app
await app(scope, receive, sender)
File "/usr/local/lib/python3.12/dist-packages/starlette/routing.py", line 72, in app
response = await func(request)
^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/fastapi/routing.py", line 278, in app
raw_response = await run_endpoint_function(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/fastapi/routing.py", line 193, in run_endpoint_function
return await run_in_threadpool(dependant.call, **values)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/starlette/concurrency.py", line 42, in run_in_threadpool
return await anyio.to_thread.run_sync(func, *args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/anyio/to_thread.py", line 56, in run_sync
return await get_async_backend().run_sync_in_worker_thread(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/anyio/_backends/_asyncio.py", line 2177, in run_sync_in_worker_thread
return await future
^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/anyio/_backends/_asyncio.py", line 859, in run
result = context.run(func, *args)
^^^^^^^^^^^^^^^^^^^^^^^^
File "/root/faster-whisper-server/faster_whisper_server/main.py", line 282, in transcribe_file
segments, transcription_info = whisper.transcribe(
^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/dist-packages/faster_whisper/transcribe.py", line 419, in transcribe
language = max(
^^^^
ValueError: max() iterable argument is empty

[luochen1990]

Seems like the error comes from code here

[luochen1990]

According to the source code, I find that set DEFAULT_LANGUAGE=zh can work around this.