[Mlir-commits] [mlir] [MLIR][Python] Support region in python-defined dialects (PR #179086)

[Rolf Morel]

================
@@ -254,7 +274,11 @@ def _generate_init_signature(
         )
         # results are placed at the beginning of the parameter list,
         # but operands and attributes can appear in any relative order.
-        args = result_args + [i for i in fields if not isinstance(i, ResultDef)]
+        args = result_args + [
+            i
+            for i in fields
+            if not isinstance(i, ResultDef) and not isinstance(i, RegionDef)
----------------
rolfmorel wrote:

```suggestion
            if not isinstance(i, ResultDef | RegionDef)
```
With thanks to De Morgan.

https://github.com/llvm/llvm-project/pull/179086