def __init__(self, db_url):
super(Controller, self).__init__(db_url)
self.employee = Employee()
self.customer = Customer()
self.delivery_person = DeliveryPerson()
def __init__(self, db_url):
super(Controller, self).__init__(db_url)
self.employee = Employee()
self.customer = Customer()
self.delivery_person = DeliveryPerson()
