Follow the test plan steps and add the isort.args settings to settings.json.
This will crash the isort Formatter server (see microsoft/vscode-isort#20).
Try to restart server with the isort Formatter: Restart Server command.
isort Formatter server crashes again.
You have reload the VS Code window to get the server back to a runnable state.
Testing microsoft/vscode-python#18997
You have reload the VS Code window to get the server back to a runnable state.