diff --git a/tests/__init__.py b/tests/__init__.py
index c46f6ef..09c4e4b 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -59,6 +59,11 @@ class RQTestCase(unittest.TestCase):
         # Flush afterwards
         self.testconn.flushdb()
 
+    # Implement assertIsNotNone for Python runtimes < 2.7 or < 3.1
+    if not hasattr(unittest.TestCase, 'assertIsNotNone'):
+        def assertIsNotNone(self, value, *args):
+            self.assertNotEqual(value, None, *args)
+
     @classmethod
     def tearDownClass(cls):
         cls.log_handler.pop_thread()