There is no warning on error list when imported module cannot be found.

[linette-zyy]

Environment
Build of Visual Studio: 18.9.0 Canary [11916.297.main]
Build of Python Package: 18.0.26168.3
Version of Pylance: 2025.12.104
OS version: Windows 11 Enterprise, version 25H2

Steps to Reproduce

1. Create a python application project
2. Type import xxxxxxxx which doesn’t exist in default opened file PythonApplication12.py
3. Green wave-underline is expected under xxxxxxxx
4. Check that there is a warning about no such module in Error List Window

Expected behavior
Green wave-underline is expected under xxxxxxxx and there is a warning about no such module in Error List Window.

Additional context and screenshots
There is no warning on error list.

[StellaHuang95]

It has something to do with the pull diagnostics, working on a fix now.