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

[Oleksandr Alex Zinenko via cfe-commits]

ftynse wrote:

This should be included in the actual commit, not GitHub comments.

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