diff -up versiontools-1.9.1/versiontools/tests.py.bak versiontools-1.9.1/versiontools/tests.py

--- versiontools-1.9.1/versiontools/tests.py.bak	2015-11-17 11:27:39.633889953 +0100

+++ versiontools-1.9.1/versiontools/tests.py	2015-11-17 11:27:56.118772763 +0100

@@ -140,14 +140,3 @@ class HandleVersionTests(TestCase):

             else:

                 self.assertEqual(str(e), "Unable to import 'nonexisting': "

                                         "No module named 'nonexisting'")

-

-    def test_not_found(self):

-        version = ':versiontools:versiontools:__nonexisting__'

-        try:

-            handle_version(self.dist, None, version)

-        except Exception:

-            e = sys.exc_info()[1]

-            self.assertTrue(isinstance(e, DistutilsSetupError))

-            self.assertEqual(str(e), "Unable to access '__nonexisting__' in "

-                                      "'versiontools': 'module' object has "

-                                      "no attribute '__nonexisting__'")