Computational Backend: CompRuns validation error

[sanderegg]

I see a lot of these errors in director-v2 on master. I wonder if they are impacting something. I cannot tell.

2023-08-22T07:35:12.515435902Z log_level=ERROR | log_timestamp=2023-08-22 07:35:12,514 | log_source=uvicorn.error:run_asgi(431) | log_uid=None | log_msg=Exception in ASGI application
Traceback (most recent call last):
  File "/home/scu/.venv/lib/python3.10/site-packages/uvicorn/protocols/http/httptools_impl.py", line 426, in run_asgi
    result = await app(  # type: ignore[func-returns-value]
  File "/home/scu/.venv/lib/python3.10/site-packages/uvicorn/middleware/proxy_headers.py", line 84, in __call__
    return await self.app(scope, receive, send)
  File "/home/scu/.venv/lib/python3.10/site-packages/fastapi/applications.py", line 290, in __call__
    await super().__call__(scope, receive, send)
  File "/home/scu/.venv/lib/python3.10/site-packages/starlette/applications.py", line 122, in __call__
    await self.middleware_stack(scope, receive, send)
  File "/home/scu/.venv/lib/python3.10/site-packages/starlette/middleware/errors.py", line 184, in __call__
    raise exc
  File "/home/scu/.venv/lib/python3.10/site-packages/starlette/middleware/errors.py", line 162, in __call__
    await self.app(scope, receive, _send)
  File "/home/scu/.venv/lib/python3.10/site-packages/starlette/middleware/exceptions.py", line 79, in __call__
    raise exc
  File "/home/scu/.venv/lib/python3.10/site-packages/starlette/middleware/exceptions.py", line 68, in __call__
    await self.app(scope, receive, sender)
  File "/home/scu/.venv/lib/python3.10/site-packages/fastapi/middleware/asyncexitstack.py", line 20, in __call__
    raise e
  File "/home/scu/.venv/lib/python3.10/site-packages/fastapi/middleware/asyncexitstack.py", line 17, in __call__
    await self.app(scope, receive, send)
  File "/home/scu/.venv/lib/python3.10/site-packages/starlette/routing.py", line 718, in __call__
    await route.handle(scope, receive, send)
  File "/home/scu/.venv/lib/python3.10/site-packages/starlette/routing.py", line 276, in handle
    await self.app(scope, receive, send)
  File "/home/scu/.venv/lib/python3.10/site-packages/starlette/routing.py", line 66, in app
    response = await func(request)
  File "/home/scu/.venv/lib/python3.10/site-packages/fastapi/routing.py", line 241, in app
    raw_response = await run_endpoint_function(
  File "/home/scu/.venv/lib/python3.10/site-packages/fastapi/routing.py", line 167, in run_endpoint_function
    return await dependant.call(**values)
  File "/home/scu/.venv/lib/python3.10/site-packages/simcore_service_director_v2/api/routes/computations.py", line 347, in get_computation
    last_run = await comp_runs_repo.get(user_id=user_id, project_id=project_id)
  File "/home/scu/.venv/lib/python3.10/site-packages/simcore_service_director_v2/modules/db/repositories/comp_runs.py", line 54, in get
    return CompRunsAtDB.from_orm(row)
  File "pydantic/main.py", line 579, in pydantic.main.BaseModel.from_orm
pydantic.error_wrappers.ValidationError: 1 validation error for CompRunsAtDB
metadata
  none is not an allowed value (type=type_error.none.not_allowed)

Issue created from a Mattermost message by @GitHK.