diff --git a/utils/python/CIME/tests/SystemTests/test_system_tests_compare_two_link_to_case2_output.py b/utils/python/CIME/tests/SystemTests/test_system_tests_compare_two_link_to_case2_output.py
index d05d79182338..10f9cb28e6ae 100644
--- a/utils/python/CIME/tests/SystemTests/test_system_tests_compare_two_link_to_case2_output.py
+++ b/utils/python/CIME/tests/SystemTests/test_system_tests_compare_two_link_to_case2_output.py
@@ -82,8 +82,8 @@ def setup_test_and_directories(self, casename1, run2_suffix):
         case1root = os.path.join(self.tempdir, casename1)
         case1 = CaseFake(case1root)
         mytest = SystemTestsCompareTwoFake(case1, run_two_suffix = run2_suffix)
-        mytest._case1.make_rundir()
-        mytest._case2.make_rundir()
+        mytest._case1.make_rundir()  #pylint: disable=maybe-no-member
+        mytest._case2.make_rundir()  #pylint: disable=maybe-no-member
 
         return mytest