gps pointed out that "== and != work in most cases but its better to use is
and is not as you'll never run into a case where someone's __eq__ or __ne__
method do the wrong thing."

Signed-off-by: Martin J. Bligh <mbligh@google.com>



git-svn-id: http://test.kernel.org/svn/autotest/trunk@2533 592f7852-d20e-0410-864c-8624ca9c26a4
diff --git a/cli/cli_mock.py b/cli/cli_mock.py
index 4acf976..c616bee 100755
--- a/cli/cli_mock.py
+++ b/cli/cli_mock.py
@@ -100,7 +100,7 @@
 
         if not (CLI_USING_PDB and CLI_UT_DEBUG):
             self.god.mock_io()
-        if exit_code != None:
+        if exit_code is not None:
             sys.exit.expect_call(exit_code).and_raises(ExitException)
             self.assertRaises(ExitException, atest.main)
         else: