from testutils import assert_raises, assertRaises
a = 1
del a
class MyObject: pass
foo = MyObject()
foo.bar = 2
assert hasattr(foo, 'bar')
del foo.bar
assert not hasattr(foo, 'bar')
x = 1
y = 2
del (x, y)
assert_raises(NameError, lambda: x)
assert_raises(NameError, lambda: y)
with assertRaises(NameError):
del y