diff -r f5e77035f332 -r 96549de9dd70 devtools/test/unittest_fill.py
--- a/devtools/test/unittest_fill.py	Wed Apr 09 11:25:45 2014 +0200
+++ b/devtools/test/unittest_fill.py	Tue Apr 08 17:39:39 2014 +0200
@@ -43,7 +43,7 @@
         class MyValueGenerator(ValueGenerator):
             def generate_server(self, index):
                 return attrname
-        self.assertTrue('generate_server' in dir(ValueGenerator))
+        self.assertIn('generate_server', dir(ValueGenerator))
 
 
     def test_bad_signature_detection(self):
@@ -63,7 +63,7 @@
         class MyValueGenerator(ValueGenerator):
             def generate_server(self, index, foo):
                 pass
-        self.assertTrue('generate_server' in dir(ValueGenerator))
+        self.assertIn('generate_server', dir(ValueGenerator))
 
 
 if __name__ == '__main__':