message: Fix mlir_wrapper for python.
  The getter method with two parameters was removed, so we need to add a wrapper
  lambda to preserve the previous behavior.
diff: @@ -33,8 +33,10 @@ void init_types(py::module& m) {
  .def("getF64", &mlir::FloatType::getF64);
  py::class_<mlir::IntegerType, mlir::Type>(m, "IntegerType")
  - .def("get", py::overload_cast<mlir::MLIRContext*, unsigned>(
  - &mlir::IntegerType::get));
  + .def("get", [](mlir::MLIRContext* context, unsigned width) {
  + return mlir::IntegerType::get(context, width,
  + mlir::IntegerType::Signless);
  + });
  py::class_<mlir::UnrankedTensorType, mlir::Type>(m, "UnrankedTensorType")
  .def("get", &mlir::UnrankedTensorType::get);
  