1 files changed, 2 insertions, 2 deletions

diff --git a/src/mailman/bin/tests/test_master.py b/src/mailman/bin/tests/test_master.py
index 924fbeafd..d6e301e58 100644
--- a/src/mailman/bin/tests/test_master.py
+++ b/src/mailman/bin/tests/test_master.py
@@ -21,6 +21,7 @@ from __future__ import absolute_import, print_function, unicode_literals
 
 __metaclass__ = type
 __all__ = [
+    'TestMasterLock',
     ]
 
 
@@ -30,7 +31,6 @@ import tempfile
 import unittest
 
 from flufl.lock import Lock
-
 from mailman.bin import master
 
 
@@ -55,7 +55,7 @@ class TestMasterLock(unittest.TestCase):
         lock = master.acquire_lock_1(False, self.lock_file)
         is_locked = lock.is_locked
         lock.unlock()
-        self.failUnless(is_locked)
+        self.assertTrue(is_locked)
 
     def test_master_state(self):
         my_lock = Lock(self.lock_file)