def __str__ (self):
		return "%s / %s%s" % (
			self._str_code.get(self.code,'unknown error'),
			self._str_subcode.get((self.code,self.subcode),'unknow reason'),
			'%s' % (self.data % ' / %s' if self.data else '')
		)
dataset/ETHPy150Open Exa-Networks/exabgp/lib/exabgp/bgp/message/notification.py/Notification.__str__/swapped operands of `%`