Revert "Simplify detection of no closed prs"
Revert "Simplify detection of no closed prs"

This reverts commit 969499f64d7441575da90e36e2b708a3d4be6329.

Explanation is in https://github.com/SylvainDe/CIthon/pull/5 .

SylvainDe/CIthon