Some attributes missing from auto complete

[higamigu]

I noticed that some attributes did not get resolved, but when I tried in a simple project it worked just fine. is this due to some kind of limitation?

In my project (many dependencies):

When tested in a new project (only depends on sqlalchemy):

#Edit2
Another case, notice the color difference
In my project:

In test project:

Should I raise a performance issue?

Edit:

1. I'm using in-project .venv
2. add second case

[higamigu]

Turns out mypy was hindering pylance somehow. Removed mypy and the issue somehow got resolved.