diff --git a/github/tests/Enterprise.py b/github/tests/Enterprise.py
index d08a3464..9b0ea39b 100644
--- a/github/tests/Enterprise.py
+++ b/github/tests/Enterprise.py
@@ -28,10 +28,13 @@ class Enterprise(Framework.BasicTestCase):
         g = github.Github(self.login, self.password, base_url="http://my.enterprise.com")
         self.assertListKeyEqual(g.get_user().get_repos(), lambda r: r.name, ["TestPyGithub", "django", "PyGithub", "developer.github.com", "acme-public-website", "C4Planner", "Hacking", "vincent-jacques.net", "Contests", "Candidates", "Tests", "DrawTurksHead", "DrawSyntax", "QuadProgMm", "Boost.HierarchicalEnum", "ViDE"])
 
-    def testUnknownUrlScheme(self):
-        with self.assertRaises(AssertionError) as cm:
+    def testUnknownUrlScheme(self):  # To stay compatible with Python 2.6, we do not use self.assertRaises with only one argument
+        try:
             github.Github(self.login, self.password, base_url="foobar://my.enterprise.com")
-        self.assertEqual(cm.exception.args[0], "Unknown URL scheme")
+        except AssertionError, exception:
+            raised = True
+            self.assertEqual(exception.args[0], "Unknown URL scheme")
+        self.assertTrue(raised)
 
     def testLongUrl(self):
         g = github.Github(self.login, self.password, base_url="http://my.enterprise.com/path/to/github")