def test_1(self):
	asrt = self.assert_
	a = []
	b = []
	c = self.iso(a, b)
	asrt( len(c.nodes) == 2)
	asrt( a in c )
	asrt( b in c )
	asrt( c not in [] )
	asrt( c not in c )

	d = self.idset(c.nodes)

	asrt( c.nodes == d.nodes )

	asrt( c == d )
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/guppy-0.1.10/guppy/heapy/test/test_UniSet.py/FirstCase.test_1/swapped operands of `not in`