INFO:     10.200.45.68:57980 - "GET /api/v2/dags/<dagID>/tasks?order_by=start_date HTTP/1.1" 500 Internal Server Error
ERROR:    Exception in ASGI application
  + Exception Group Traceback (most recent call last):
  |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/_utils.py", line 79, in collapse_excgroups
  |     yield
  |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/middleware/base.py", line 183, in __call__
  |     async with anyio.create_task_group() as task_group:
  |                ^^^^^^^^^^^^^^^^^^^^^^^^^
  |   File "/home/airflow/.local/lib/python3.12/site-packages/anyio/_backends/_asyncio.py", line 783, in __aexit__
  |     raise BaseExceptionGroup(
  | ExceptionGroup: unhandled errors in a TaskGroup (1 sub-exception)
  +-+---------------- 1 ----------------
    | Traceback (most recent call last):
    |   File "/home/airflow/.local/lib/python3.12/site-packages/uvicorn/protocols/http/httptools_impl.py", line 416, in run_asgi
    |     result = await app(  # type: ignore[func-returns-value]
    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |   File "/home/airflow/.local/lib/python3.12/site-packages/fastapi/applications.py", line 1082, in __call__
    |     await super().__call__(scope, receive, send)
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/applications.py", line 113, in __call__
    |     await self.middleware_stack(scope, receive, send)
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/middleware/errors.py", line 186, in __call__
    |     raise exc
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/middleware/errors.py", line 164, in __call__
    |     await self.app(scope, receive, _send)
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/middleware/gzip.py", line 29, in __call__
    |     await responder(scope, receive, send)
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/middleware/gzip.py", line 130, in __call__
    |     await super().__call__(scope, receive, send)
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/middleware/gzip.py", line 46, in __call__
    |     await self.app(scope, receive, self.send_with_compression)
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/middleware/cors.py", line 85, in __call__
    |     await self.app(scope, receive, send)
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/middleware/base.py", line 182, in __call__
    |     with recv_stream, send_stream, collapse_excgroups():
    |                                    ^^^^^^^^^^^^^^^^^^^^
    |   File "/usr/python/lib/python3.12/contextlib.py", line 158, in __exit__
    |     self.gen.throw(value)
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/_utils.py", line 85, in collapse_excgroups
    |     raise exc
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/middleware/base.py", line 184, in __call__
    |     response = await self.dispatch_func(request, call_next)
    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |   File "/home/airflow/.local/lib/python3.12/site-packages/airflow/api_fastapi/auth/middlewares/refresh_token.py", line 61, in dispatch
    |     response = await call_next(request)
    |                ^^^^^^^^^^^^^^^^^^^^^^^^
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/middleware/base.py", line 159, in call_next
    |     raise app_exc
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/middleware/base.py", line 144, in coro
    |     await self.app(scope, receive_or_disconnect, send_no_error)
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/middleware/exceptions.py", line 63, in __call__
    |     await wrap_app_handling_exceptions(self.app, conn)(scope, receive, send)
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/_exception_handler.py", line 53, in wrapped_app
    |     raise exc
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/_exception_handler.py", line 42, in wrapped_app
    |     await app(scope, receive, sender)
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/routing.py", line 716, in __call__
    |     await self.middleware_stack(scope, receive, send)
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/routing.py", line 736, in app
    |     await route.handle(scope, receive, send)
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/routing.py", line 290, in handle
    |     await self.app(scope, receive, send)
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/routing.py", line 78, in app
    |     await wrap_app_handling_exceptions(app, request)(scope, receive, send)
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/_exception_handler.py", line 53, in wrapped_app
    |     raise exc
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/_exception_handler.py", line 42, in wrapped_app
    |     await app(scope, receive, sender)
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/routing.py", line 75, in app
    |     response = await f(request)
    |                ^^^^^^^^^^^^^^^^
    |   File "/home/airflow/.local/lib/python3.12/site-packages/fastapi/routing.py", line 308, in app
    |     raw_response = await run_endpoint_function(
    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |   File "/home/airflow/.local/lib/python3.12/site-packages/fastapi/routing.py", line 221, in run_endpoint_function
    |     return await run_in_threadpool(dependant.call, **values)
    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |   File "/home/airflow/.local/lib/python3.12/site-packages/starlette/concurrency.py", line 38, in run_in_threadpool
    |     return await anyio.to_thread.run_sync(func)
    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |   File "/home/airflow/.local/lib/python3.12/site-packages/anyio/to_thread.py", line 63, in run_sync
    |     return await get_async_backend().run_sync_in_worker_thread(
    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |   File "/home/airflow/.local/lib/python3.12/site-packages/anyio/_backends/_asyncio.py", line 2502, in run_sync_in_worker_thread
    |     return await future
    |            ^^^^^^^^^^^^
    |   File "/home/airflow/.local/lib/python3.12/site-packages/anyio/_backends/_asyncio.py", line 986, in run
    |     result = context.run(func, *args)
    |              ^^^^^^^^^^^^^^^^^^^^^^^^
    |   File "/home/airflow/.local/lib/python3.12/site-packages/airflow/api_fastapi/core_api/routes/public/tasks.py", line 56, in get_tasks
    |     tasks = sorted(dag.tasks, key=attrgetter(order_by.lstrip("-")), reverse=(order_by[0:1] == "-"))
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    | TypeError: '<' not supported between instances of 'NoneType' and 'NoneType'
    +------------------------------------