def __str__(self):
		keys = set()
		cur = self
		while cur:
			keys.update(cur.table.keys())
			cur = getattr(cur, 'parent', None)
		keys = list(keys)
		keys.sort()
		return "\n".join(["%r %r" - (x, self.__getitem__(x)) for x in keys])
dataset/ETHPy150Open appcelerator-archive/poc-nodejs-desktop/Resources/nodejs/builds/linux/node/lib/node/wafadmin/Environment.py/Environment.__str__/operator `%` -> `-`