Searching 'TODO' is not working in PyCharm

Question

TODO is not working in PyCharm. When I comment out and use TODO, there is no any highlight and PyCharm also found 0 TODO items.

And I also create a new project but the result is same. Here is what I did:

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Edit:

Someone advised me to check the TODO setting, but mine is fine. My PyCharm setting:

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First add:

Somehow it worked. I did nothing, but it worked.

But there is one more question for me. I mark a directory as exclusion. And in there TODO still does not work. Is it normal or get a new hitch?

Answer 1

Make sure default TODO patterns are in place: