def __xor__(self, other):
if not isinstance(other, self.__class__):
return NotImplemented
new = DummyAttr()
if self.min < other.min:
new |= self.create(self.min, min(other.min, self.max))
if other.max < self.max:
new |= self.create(other.max, self.max)
return new
def test_walker_create_dummy(session):
with pytest.raises(TypeError):
walker.create(DummyAttr(), session)