Remove comment from pystate created in 2003 #123259
Merged
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This is a very minor change, but in pystate there's a check that thread state shouldn't be null when releasing the GIL.
This is a very useful check. If someone accidentally calls release GIL and didn't acquire the GIL from a native thread in an embedded Python scenario, they get this helpful fatal error message because there is no thread state.
I noticed there is a TODO above this check speculating that it isn't required dating back to 2003.
It is required because it avoids a crash and null lookup.
This PR removes the comment.