• Open empty workspace in VSC
• Enable at least 3 python linters
• Create virtual environment
• Create Python file
• Select above virtual environment
• Write some python code
• You'll be prompted to install the linters
• Install them one at a time (wait for each to complete)
• After installing all, edit the code in the python file and save
• None of the linters get executed

Solution: Restart VSC. Personally asking users to restart VSC is not a solution.

Bug is here lm.disableSessionLinting();

Somehow a message displayed by VSC gets dismissed by VSC, and the extension disables all messages.
The requirement should be that we NOT disable the linting, instead we should disable displaying the warning message.

Previously we had a message Do not display again message. We need something similar or we need to change the code to keep linting, and fail silently or some other solution.