Refs #4083 apparently I have a newer unittest version

Code/Mantid/Framework/PythonAPI/test/MDHistoWorkspaceTest.py

@@ -57,7 +57,7 @@ class MDHistoWorkspaceTest(unittest.TestCase):
         A = mtd['A']
         B = mtd['B']
         C = (A + B) / (A - B) 
-        self.assertIsNotNone( C )
+        assert (C is not None)
 
     """ boolean_workspace = MDHistoWorkspace < MDHistoWorkspace """
     def test_comparisons_and_boolean_operations(self):
@@ -123,7 +123,7 @@ class MDHistoWorkspaceTest(unittest.TestCase):
         A = mtd['A']
         B = mtd['B']
         C = (A > B) & (A > 123) & (B < 2345)
-        self.assertIsNotNone( C )
+        assert (C is not None)
 
         
     def test_compound_boolean_operations(self):