Mypy's result does not refresh after the first execution

[linette-zyy]

Environment

Steps to Reproduce

1. Create a new python application
2. In the project, import these 2 modules that do not exist:

import test_hello
import hello

3. Add new item, mypy configuration file(mypy.ini)

# Ignore missing imports in modules 'test_hello'
[mypy-test_hello]
ignore_missing_imports = True

4. Run Mypy

On the error list, it showed

5. Delete the mypy.ini, run Mypy again

Expected behavior
Mypy's result refresh, it should show like this.

Additional context and screenshots
Mypy's result does not refresh after the first execution
If we want to refresh the result, we must create a new project or change activate environment.