fix [#27324] WindowManager.invoke_search_popup() crashes blender and does not work

also minor formatting fixes.

release/scripts/modules/bpy/utils.py

@@ -35,6 +35,7 @@ import addon_utils as _addon_utils
 
 _script_module_dirs = "startup", "modules"
 
+
 def _test_import(module_name, loaded_modules):
     use_time = _bpy.app.debug
 

source/blender/windowmanager/intern/wm_operators.c

@@ -698,12 +698,17 @@ static void operator_enum_call_cb(struct bContext *C, void *arg1, void *arg2)
 	wmOperatorType *ot= arg1;
 
 	if(ot) {
+		if(ot->prop) {
 			PointerRNA props_ptr;
 			WM_operator_properties_create_ptr(&props_ptr, ot);
 			RNA_property_enum_set(&props_ptr, ot->prop, GET_INT_FROM_POINTER(arg2));
 			WM_operator_name_call(C, ot->idname, WM_OP_EXEC_DEFAULT, &props_ptr);
 			WM_operator_properties_free(&props_ptr);
 		}
+		else {
+			printf("operator_enum_call_cb: op->prop for '%s' is NULL\n", ot->idname);
+		}
+	}
 }
 
 static uiBlock *wm_enum_search_menu(bContext *C, ARegion *ar, void *arg_op)