values that had units set would not be coerced into Mathutils types by the python api.

eg. scene.cursor_location wasnt a vector

source/blender/python/intern/bpy_rna.c

@@ -158,7 +158,7 @@ PyObject *pyrna_math_object_from_array(PointerRNA *ptr, PropertyRNA *prop)
 	if (totdim == 1 || (totdim == 2 && subtype == PROP_MATRIX)) {
 		ret = pyrna_prop_CreatePyObject(ptr, prop); /* owned by the Mathutils PyObject */
 
-		switch(RNA_property_subtype(prop)) {
+		switch(RNA_SUBTYPE_VALUE(RNA_property_subtype(prop))) {
 		case PROP_TRANSLATION:
 		case PROP_DIRECTION:
 		case PROP_VELOCITY: