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

[David Spickett via cfe-commits]

DavidSpickett wrote:

LLVM uses a GitHub setting where the PR is squashed, and the commit message is taken from the PR description rather than the commits themselves. So all you have to do here is copy the commit message you updated into the PR's description.

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