<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def notify(cls, user_or_email, instance):
 """Create, save, and return a watch which fires when something happens to ``instance``."""

        return super(InstanceEvent, cls).notify(user_or_email,
                                                object_id=instance.pk)