[Mlir-commits] [mlir] [mlir][Python] remove stray nb::cast (PR #176299)

[Maksim Levental]

makslevental wrote:

This will fix https://github.com/iree-org/wave/pull/727 (shoutout @Hardcode84 for figuring out that line was the culprit).

https://github.com/llvm/llvm-project/pull/176299