'Prereleases are always less than versions without prereleases.'

def test_comparingPrereleasesWithReleases(self):

    va = Version('whatever', 1, 0, 0, prerelease=1)
    vb = Version('whatever', 1, 0, 0)
    self.assertTrue((va < vb))
    self.assertFalse((va > vb))
    self.assertNotEqual(vb, va)
