diff --git a/Code/Mantid/Testing/SystemTests/tests/analysis/CalMuonDeadTimeTest.py b/Code/Mantid/Testing/SystemTests/tests/analysis/CalMuonDeadTimeTest.py
index 399ea0b8ad561f137976dc9b201b3c26818c4e92..bc7d9a7cb6406a59e2da72481482f1a72926d73c 100644
--- a/Code/Mantid/Testing/SystemTests/tests/analysis/CalMuonDeadTimeTest.py
+++ b/Code/Mantid/Testing/SystemTests/tests/analysis/CalMuonDeadTimeTest.py
@@ -1,4 +1,4 @@
-#pylint: disable=no-init
+#pylint: disable=no-init,attribute-defined-outside-init
 import stresstesting
 from mantid.simpleapi import *
 
@@ -17,4 +17,4 @@ class CalMuonDeadTimeTest(stresstesting.MantidStressTest):
 
     def validate(self):
         self.tolerance = 1E-3
-        return ('EMUCalMuonDeadTime','EMUCalMuonDeadTime.nxs')
\ No newline at end of file
+        return ('EMUCalMuonDeadTime','EMUCalMuonDeadTime.nxs')