def updateController(self, controller):
        self.controller = controller
        self.notes.controller = controller
patch mongoengine.[field_name] for comparison support
dataset/ETHPy150Open VisTrails/VisTrails/vistrails/gui/version_prop.py/QNotesDialog.updateController--crossover with--dataset/ETHPy150Open MongoEngine/django-mongoengine/django_mongoengine/fields/__init__.py/patch_mongoengine_field