fix(scripts): py::arg order in bindings generator must match C++ param order (impl before stream)

Author: zhangyue

scripts/generate_wrappers.py

@@ -206,7 +206,7 @@ def _generate_call(op_name, call, method=True):
                 f"    Config config;\n"
                 f"    config.set_implementation_index(implementation_index);\n"
                 f"    return Self::Call(handle, config, {call_args});\n"
-                f'  }}, {py_args_str}py::kw_only(), py::arg("stream") = 0, py::arg("implementation_index") = 0);'
+                f'  }}, {py_args_str}py::kw_only(), py::arg("implementation_index") = 0, py::arg("stream") = 0);'
             )
 
         return f"""      .def("__call__", [](const Self& self, {call_params}) {{