diff --git a/python/ray/tune/tests/test_trial_runner.py b/python/ray/tune/tests/test_trial_runner.py
index bb4e92795..aee6db253 100644
--- a/python/ray/tune/tests/test_trial_runner.py
+++ b/python/ray/tune/tests/test_trial_runner.py
@@ -1970,7 +1970,7 @@ class TrialRunnerTest(unittest.TestCase):
         self.assertTrue(
             runner2.get_trial("checkpoint").status == Trial.TERMINATED)
         self.assertTrue(runner2.get_trial("pending").status == Trial.PENDING)
-        self.assertTrue(runner2.get_trial("pending").last_result is None)
+        self.assertTrue(not runner2.get_trial("pending").last_result)
         runner2.step()
         shutil.rmtree(tmpdir)