def __init__(self, heat_stack_status):
    self.code = 'HEAT_STACK_EXCEPTION'
    self.message = ('Heat stack failed with status %s' % heat_stack_status)
def __init__(self, heat_stack_status):
    self.code = 'HEAT_STACK_EXCEPTION'
    self.message = ('Heat stack failed with status %s' % heat_stack_status)