I’ve been working on the assessment for quite a while and I am able to get all routes running in a separate file:
Additionally, I copied the code from frontend_block.py
so that I could test whether rag_chain.invoke
& rag_chain.stream
were working properly. I was able to confirm that they were:
Despite this, pressing evaluate presents the below error…
ERROR: Exception in ASGI application
Traceback (most recent call last):
File "/usr/local/lib/python3.11/site-packages/sse_starlette/sse.py", line 282, in __call__
await wrap(partial(self.listen_for_disconnect, receive))
File "/usr/local/lib/python3.11/site-packages/sse_starlette/sse.py", line 271, in wrap
await func()
File "/usr/local/lib/python3.11/site-packages/sse_starlette/sse.py", line 221, in listen_for_disconnect
message = await receive()
^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/uvicorn/protocols/http/httptools_impl.py", line 568, in receive
await self.message_event.wait()
File "/usr/local/lib/python3.11/asyncio/locks.py", line 213, in wait
await fut
asyncio.exceptions.CancelledError: Cancelled by cancel scope 7f62051b2790
During handling of the above exception, another exception occurred:
+ Exception Group Traceback (most recent call last):
| File "/usr/local/lib/python3.11/site-packages/uvicorn/protocols/http/httptools_impl.py", line 411, in run_asgi
| result = await app( # type: ignore[func-returns-value]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| File "/usr/local/lib/python3.11/site-packages/uvicorn/middleware/proxy_headers.py", line 69, in __call__
| return await self.app(scope, receive, send)
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| File "/usr/local/lib/python3.11/site-packages/fastapi/applications.py", line 1054, in __call__
| await super().__call__(scope, receive, send)
| File "/usr/local/lib/python3.11/site-packages/starlette/applications.py", line 123, in __call__
| await self.middleware_stack(scope, receive, send)
| File "/usr/local/lib/python3.11/site-packages/starlette/middleware/errors.py", line 186, in __call__
| raise exc
| File "/usr/local/lib/python3.11/site-packages/starlette/middleware/errors.py", line 164, in __call__
| await self.app(scope, receive, _send)
| File "/usr/local/lib/python3.11/site-packages/starlette/middleware/exceptions.py", line 65, in __call__
| await wrap_app_handling_exceptions(self.app, conn)(scope, receive, send)
| File "/usr/local/lib/python3.11/site-packages/starlette/_exception_handler.py", line 64, in wrapped_app
| raise exc
| File "/usr/local/lib/python3.11/site-packages/starlette/_exception_handler.py", line 53, in wrapped_app
| await app(scope, receive, sender)
| File "/usr/local/lib/python3.11/site-packages/starlette/routing.py", line 756, in __call__
| await self.middleware_stack(scope, receive, send)
| File "/usr/local/lib/python3.11/site-packages/starlette/routing.py", line 776, in app
| await route.handle(scope, receive, send)
| File "/usr/local/lib/python3.11/site-packages/starlette/routing.py", line 297, in handle
| await self.app(scope, receive, send)
| File "/usr/local/lib/python3.11/site-packages/starlette/routing.py", line 77, in app
| await wrap_app_handling_exceptions(app, request)(scope, receive, send)
| File "/usr/local/lib/python3.11/site-packages/starlette/_exception_handler.py", line 64, in wrapped_app
| raise exc
| File "/usr/local/lib/python3.11/site-packages/starlette/_exception_handler.py", line 53, in wrapped_app
| await app(scope, receive, sender)
| File "/usr/local/lib/python3.11/site-packages/starlette/routing.py", line 75, in app
| await response(scope, receive, send)
| File "/usr/local/lib/python3.11/site-packages/sse_starlette/sse.py", line 268, in __call__
| async with anyio.create_task_group() as task_group:
| File "/usr/local/lib/python3.11/site-packages/anyio/_backends/_asyncio.py", line 680, in __aexit__
| raise BaseExceptionGroup(
| ExceptionGroup: unhandled errors in a TaskGroup (1 sub-exception)
+-+---------------- 1 ----------------
| Traceback (most recent call last):
| File "/usr/local/lib/python3.11/site-packages/sse_starlette/sse.py", line 271, in wrap
| await func()
| File "/usr/local/lib/python3.11/site-packages/sse_starlette/sse.py", line 251, in stream_response
| async for data in self.body_iterator:
| File "/usr/local/lib/python3.11/site-packages/langserve/api_handler.py", line 1121, in _stream
| async for chunk in self._runnable.astream(
| File "/usr/local/lib/python3.11/site-packages/langchain_core/runnables/base.py", line 2900, in astream
| async for chunk in self.atransform(input_aiter(), config, **kwargs):
| File "/usr/local/lib/python3.11/site-packages/langchain_core/runnables/base.py", line 2883, in atransform
| async for chunk in self._atransform_stream_with_config(
| File "/usr/local/lib/python3.11/site-packages/langchain_core/runnables/base.py", line 1980, in _atransform_stream_with_config
| chunk: Output = await asyncio.create_task( # type: ignore[call-arg]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| File "/usr/local/lib/python3.11/site-packages/langchain_core/runnables/base.py", line 2853, in _atransform
| async for output in final_pipeline:
| File "/usr/local/lib/python3.11/site-packages/langchain_core/output_parsers/transform.py", line 60, in atransform
| async for chunk in self._atransform_stream_with_config(
| File "/usr/local/lib/python3.11/site-packages/langchain_core/runnables/base.py", line 1944, in _atransform_stream_with_config
| final_input: Optional[Input] = await py_anext(input_for_tracing, None)
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| File "/usr/local/lib/python3.11/site-packages/langchain_core/utils/aiter.py", line 62, in anext_impl
| return await __anext__(iterator)
| ^^^^^^^^^^^^^^^^^^^^^^^^^
| File "/usr/local/lib/python3.11/site-packages/langchain_core/utils/aiter.py", line 97, in tee_peer
| item = await iterator.__anext__()
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
| File "/usr/local/lib/python3.11/site-packages/langchain_core/runnables/base.py", line 4748, in atransform
| async for item in self.bound.atransform(
| File "/usr/local/lib/python3.11/site-packages/langchain_core/runnables/base.py", line 1334, in atransform
| async for output in self.astream(final, config, **kwargs):
| File "/usr/local/lib/python3.11/site-packages/langchain_core/language_models/chat_models.py", line 319, in astream
| raise e
| File "/usr/local/lib/python3.11/site-packages/langchain_core/language_models/chat_models.py", line 297, in astream
| async for chunk in self._astream(
| File "/dli/ai-endpoints/langchain_nvidia_ai_endpoints/chat_models.py", line 222, in _astream
| async for response in self.get_astream(inputs=inputs, **kwargs):
| File "/dli/ai-endpoints/langchain_nvidia_ai_endpoints/_common.py", line 530, in get_req_astream
| self._try_raise(response)
| File "/dli/ai-endpoints/langchain_nvidia_ai_endpoints/_common.py", line 279, in _try_raise
| response.raise_for_status()
| File "/usr/local/lib/python3.11/site-packages/aiohttp/client_reqrep.py", line 1070, in raise_for_status
| raise ClientResponseError(
| aiohttp.client_exceptions.ClientResponseError: 400, message='Bad Request', url=URL('http://llm_client:9000/v1/chat/completions')
+------------------------------------
ERROR: Exception in ASGI application
Traceback (most recent call last):
File "/usr/local/lib/python3.11/site-packages/sse_starlette/sse.py", line 282, in __call__
await wrap(partial(self.listen_for_disconnect, receive))
File "/usr/local/lib/python3.11/site-packages/sse_starlette/sse.py", line 271, in wrap
await func()
File "/usr/local/lib/python3.11/site-packages/sse_starlette/sse.py", line 221, in listen_for_disconnect
message = await receive()
^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/uvicorn/protocols/http/httptools_impl.py", line 568, in receive
await self.message_event.wait()
File "/usr/local/lib/python3.11/asyncio/locks.py", line 213, in wait
await fut
asyncio.exceptions.CancelledError: Cancelled by cancel scope 7f62044ad050
During handling of the above exception, another exception occurred:
+ Exception Group Traceback (most recent call last):
| File "/usr/local/lib/python3.11/site-packages/uvicorn/protocols/http/httptools_impl.py", line 411, in run_asgi
| result = await app( # type: ignore[func-returns-value]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| File "/usr/local/lib/python3.11/site-packages/uvicorn/middleware/proxy_headers.py", line 69, in __call__
| return await self.app(scope, receive, send)
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| File "/usr/local/lib/python3.11/site-packages/fastapi/applications.py", line 1054, in __call__
| await super().__call__(scope, receive, send)
| File "/usr/local/lib/python3.11/site-packages/starlette/applications.py", line 123, in __call__
| await self.middleware_stack(scope, receive, send)
| File "/usr/local/lib/python3.11/site-packages/starlette/middleware/errors.py", line 186, in __call__
| raise exc
| File "/usr/local/lib/python3.11/site-packages/starlette/middleware/errors.py", line 164, in __call__
| await self.app(scope, receive, _send)
| File "/usr/local/lib/python3.11/site-packages/starlette/middleware/exceptions.py", line 65, in __call__
| await wrap_app_handling_exceptions(self.app, conn)(scope, receive, send)
| File "/usr/local/lib/python3.11/site-packages/starlette/_exception_handler.py", line 64, in wrapped_app
| raise exc
| File "/usr/local/lib/python3.11/site-packages/starlette/_exception_handler.py", line 53, in wrapped_app
| await app(scope, receive, sender)
| File "/usr/local/lib/python3.11/site-packages/starlette/routing.py", line 756, in __call__
| await self.middleware_stack(scope, receive, send)
| File "/usr/local/lib/python3.11/site-packages/starlette/routing.py", line 776, in app
| await route.handle(scope, receive, send)
| File "/usr/local/lib/python3.11/site-packages/starlette/routing.py", line 297, in handle
| await self.app(scope, receive, send)
| File "/usr/local/lib/python3.11/site-packages/starlette/routing.py", line 77, in app
| await wrap_app_handling_exceptions(app, request)(scope, receive, send)
| File "/usr/local/lib/python3.11/site-packages/starlette/_exception_handler.py", line 64, in wrapped_app
| raise exc
| File "/usr/local/lib/python3.11/site-packages/starlette/_exception_handler.py", line 53, in wrapped_app
| await app(scope, receive, sender)
| File "/usr/local/lib/python3.11/site-packages/starlette/routing.py", line 75, in app
| await response(scope, receive, send)
| File "/usr/local/lib/python3.11/site-packages/sse_starlette/sse.py", line 268, in __call__
| async with anyio.create_task_group() as task_group:
| File "/usr/local/lib/python3.11/site-packages/anyio/_backends/_asyncio.py", line 680, in __aexit__
| raise BaseExceptionGroup(
| ExceptionGroup: unhandled errors in a TaskGroup (1 sub-exception)
+-+---------------- 1 ----------------
| Traceback (most recent call last):
| File "/usr/local/lib/python3.11/site-packages/sse_starlette/sse.py", line 271, in wrap
| await func()
| File "/usr/local/lib/python3.11/site-packages/sse_starlette/sse.py", line 251, in stream_response
| async for data in self.body_iterator:
| File "/usr/local/lib/python3.11/site-packages/langserve/api_handler.py", line 1121, in _stream
| async for chunk in self._runnable.astream(
| File "/usr/local/lib/python3.11/site-packages/langchain_core/runnables/base.py", line 2900, in astream
| async for chunk in self.atransform(input_aiter(), config, **kwargs):
| File "/usr/local/lib/python3.11/site-packages/langchain_core/runnables/base.py", line 2883, in atransform
| async for chunk in self._atransform_stream_with_config(
| File "/usr/local/lib/python3.11/site-packages/langchain_core/runnables/base.py", line 1980, in _atransform_stream_with_config
| chunk: Output = await asyncio.create_task( # type: ignore[call-arg]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| File "/usr/local/lib/python3.11/site-packages/langchain_core/runnables/base.py", line 2853, in _atransform
| async for output in final_pipeline:
| File "/usr/local/lib/python3.11/site-packages/langchain_core/output_parsers/transform.py", line 60, in atransform
| async for chunk in self._atransform_stream_with_config(
| File "/usr/local/lib/python3.11/site-packages/langchain_core/runnables/base.py", line 1944, in _atransform_stream_with_config
| final_input: Optional[Input] = await py_anext(input_for_tracing, None)
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| File "/usr/local/lib/python3.11/site-packages/langchain_core/utils/aiter.py", line 62, in anext_impl
| return await __anext__(iterator)
| ^^^^^^^^^^^^^^^^^^^^^^^^^
| File "/usr/local/lib/python3.11/site-packages/langchain_core/utils/aiter.py", line 97, in tee_peer
| item = await iterator.__anext__()
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
| File "/usr/local/lib/python3.11/site-packages/langchain_core/runnables/base.py", line 4748, in atransform
| async for item in self.bound.atransform(
| File "/usr/local/lib/python3.11/site-packages/langchain_core/runnables/base.py", line 1334, in atransform
| async for output in self.astream(final, config, **kwargs):
| File "/usr/local/lib/python3.11/site-packages/langchain_core/language_models/chat_models.py", line 319, in astream
| raise e
| File "/usr/local/lib/python3.11/site-packages/langchain_core/language_models/chat_models.py", line 297, in astream
| async for chunk in self._astream(
| File "/dli/ai-endpoints/langchain_nvidia_ai_endpoints/chat_models.py", line 222, in _astream
| async for response in self.get_astream(inputs=inputs, **kwargs):
| File "/dli/ai-endpoints/langchain_nvidia_ai_endpoints/_common.py", line 530, in get_req_astream
| self._try_raise(response)
| File "/dli/ai-endpoints/langchain_nvidia_ai_endpoints/_common.py", line 279, in _try_raise
| response.raise_for_status()
| File "/usr/local/lib/python3.11/site-packages/aiohttp/client_reqrep.py", line 1070, in raise_for_status
| raise ClientResponseError(
| aiohttp.client_exceptions.ClientResponseError: 400, message='Bad Request', url=URL('http://llm_client:9000/v1/chat/completions')
Could I have some suggestions on how to resolve this?