<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def handle_data(self, context, data, dt):
 """ Calls the callable only when the rule is triggered. """

        if self.rule.should_trigger(dt):
            self.callback(context, data)