def test_status_attributes_simple(self):

       def assert_nochange(p):

           s = p.status()

           assert not s.modified

           assert not s.prop_modified

           assert not s.added

           assert not s.deleted

       dpath = self.root.join('sampledir')

       assert_nochange(self.root.join('sampledir'))

->     assert_nochange(self.root.join('samplefile'))