[Mlir-commits] [mlir] fix(mlir/**.py): fix invalid escape sequences (PR #94036)

[Eisuke Kawashima]

e-kwsm wrote:

I am not sure what happens for such invalid escape sequences are passed, but python3.12 gives something like

```
SyntaxWarning: invalid escape sequence '\w'
```

https://github.com/llvm/llvm-project/pull/94036