[clang] [clang-tools-extra] [compiler-rt] [lldb] [llvm] [mlir] [openmp] [polly] fix(python): fix comparison to None (PR #91857)

[Jonas Devlieghere via llvm-commits]

https://github.com/JDevlieghere commented:

This should really be broken up into separate PRs per subproject. One large PR like this makes reviewing harder and causes unnecessary churn in the case that this gets reverted.

https://github.com/llvm/llvm-project/pull/91857