执行python app.py后遇到报错如下，请问应该如何解决？

[hjh0915]

Exception in thread Thread-1 (start_in_theard):
Traceback (most recent call last):
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/httpx/_transports/default.py", line 69, in map_httpcore_exceptions
yield
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/httpx/_transports/default.py", line 373, in handle_async_request
resp = await self._pool.handle_async_request(req)
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/httpcore/_async/connection_pool.py", line 216, in handle_async_request
raise exc from None
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/httpcore/_async/connection_pool.py", line 196, in handle_async_request
response = await connection.handle_async_request(
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/httpcore/_async/connection.py", line 99, in handle_async_request
raise exc
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/httpcore/_async/connection.py", line 76, in handle_async_request
stream = await self._connect(request)
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/httpcore/_async/connection.py", line 122, in _connect
stream = await self._network_backend.connect_tcp(**kwargs)
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/httpcore/_backends/auto.py", line 30, in connect_tcp
return await self._backend.connect_tcp(
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/httpcore/_backends/anyio.py", line 114, in connect_tcp
with map_exceptions(exc_map):
File "/home/jonna/.pyenv/versions/3.10.12/lib/python3.10/contextlib.py", line 153, in exit
self.gen.throw(typ, value, traceback)
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/httpcore/_exceptions.py", line 14, in map_exceptions
raise to_exc(exc) from exc
httpcore.ConnectTimeout

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/openai/_base_client.py", line 1537, in _request
response = await self._client.send(
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/httpx/_client.py", line 1661, in send
response = await self._send_handling_auth(
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/httpx/_client.py", line 1689, in _send_handling_auth
response = await self._send_handling_redirects(
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/httpx/_client.py", line 1726, in _send_handling_redirects
response = await self._send_single_request(request)
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/httpx/_client.py", line 1763, in _send_single_request
response = await transport.handle_async_request(request)
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/httpx/_transports/default.py", line 372, in handle_async_request
with map_httpcore_exceptions():
File "/home/jonna/.pyenv/versions/3.10.12/lib/python3.10/contextlib.py", line 153, in exit
self.gen.throw(typ, value, traceback)
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/httpx/_transports/default.py", line 86, in map_httpcore_exceptions
raise mapped_exc(message) from exc
httpx.ConnectTimeout

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/Agently/Agent/Agent.py", line 240, in start_in_theard
reply = loop.run_until_complete(self.start_async(request_type))
File "/home/jonna/.pyenv/versions/3.10.12/lib/python3.10/asyncio/base_events.py", line 649, in run_until_complete
return future.result()
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/Agently/Agent/Agent.py", line 227, in start_async
raise(e)
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/Agently/Agent/Agent.py", line 177, in start_async
event_generator = await self.request.get_event_generator(request_type)
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/Agently/Request/Request.py", line 116, in get_event_generator
response_generator = await request_plugin_export"request_model"
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/Agently/plugins/request/OAIClient.py", line 208, in request_model
stream = await client.chat.completions.create(**request_data)
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/openai/resources/chat/completions.py", line 1283, in create
return await self._post(
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/openai/_base_client.py", line 1805, in post
return await self.request(cast_to, opts, stream=stream, stream_cls=stream_cls)
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/openai/_base_client.py", line 1503, in request
return await self._request(
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/openai/_base_client.py", line 1546, in _request
return await self._retry_request(
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/openai/_base_client.py", line 1546, in _request
return await self._retry_request(
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/openai/_base_client.py", line 1556, in _request
raise APITimeoutError(request=request) from err
openai.APITimeoutError: Request timed out.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/home/jonna/.pyenv/versions/3.10.12/lib/python3.10/threading.py", line 1016, in _bootstrap_inner
self.run()
File "/home/jonna/.pyenv/versions/3.10.12/lib/python3.10/threading.py", line 953, in run
self._target(*self._args, **self._kwargs)
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/Agently/Agent/Agent.py", line 243, in start_in_theard
raise Exception(f"[Agent Request] Error: { str(e) }")
Exception: [Agent Request] Error: Request timed out.
2024-06-20 09:52:50,025 [INFO] [Outline Generated] None
2024-06-20 09:52:55,029 - ERROR - Node Execution Exception-'generate_columns'(bca2f28a-fd02-4aa5-9dfc-fcb4057db725):
'NoneType' object is not subscriptable
Traceback (most recent call last):
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/Agently/Workflow/MainExecutor.py", line 336, in _exec_chunk_with_dep_core
exec_res = chunk_executor(input_value, self.store)
File "/home/jonna/Agently-Daily-News-Collector/workflows/main_workflow.py", line 52, in generate_columns_executor
for column_outline in outline["column_list"]:
TypeError: 'NoneType' object is not subscriptable

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/home/jonna/Agently-Daily-News-Collector/app.py", line 21, in
main_workflow.start(
File "/home/jonna/Agently-Daily-News-Collector/workflows/main_workflow.py", line 101, in start
main_workflow.start()
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/Agently/Workflow/Workflow.py", line 78, in start
res = asyncio.run(self.start_async(start_data))
File "/home/jonna/.pyenv/versions/3.10.12/lib/python3.10/asyncio/runners.py", line 44, in run
return loop.run_until_complete(main)
File "/home/jonna/.pyenv/versions/3.10.12/lib/python3.10/asyncio/base_events.py", line 649, in run_until_complete
return future.result()
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/Agently/Workflow/Workflow.py", line 74, in start_async
res = await self.executor.start(executed_schema, start_data)
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/Agently/Workflow/MainExecutor.py", line 46, in start
await self._execute_main(executed_schema.get('entries') or [])
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/Agently/Workflow/MainExecutor.py", line 101, in _execute_main
await asyncio.gather(*entry_tasks)
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/Agently/Workflow/MainExecutor.py", line 87, in execute_from_entry
await self._execute_partial(
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/Agently/Workflow/MainExecutor.py", line 175, in _execute_partial
await asyncio.gather(*next_child_tasks)
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/Agently/Workflow/MainExecutor.py", line 146, in _execute_partial
await execute_child_chunk(next_chunk)
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/Agently/Workflow/MainExecutor.py", line 129, in execute_child_chunk
child_executed = await self._execute_single_chunk(
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/Agently/Workflow/MainExecutor.py", line 203, in _execute_single_chunk
await self._execute_single_chunk_core(
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/Agently/Workflow/MainExecutor.py", line 230, in _execute_single_chunk_core
exec_value = await self._exec_chunk_with_dep_core(chunk, single_dep_map)
File "/home/jonna/.pyenv/versions/py3/lib/python3.10/site-packages/Agently/Workflow/MainExecutor.py", line 340, in _exec_chunk_with_dep_core
raise Exception(e)
Exception: 'NoneType' object is not subscriptable

[Maplemx]

Exception: [Agent Request] Error: Request timed out.

Please check your connection to model. If you're firewall blocked, use a proxy and set proxy server host and port into SETTINGS.yaml.