Another test to fix test_warning.py

debian/patches/do-not-use-namespaced-oslo.patch

@@ -28,3 +28,17 @@ Last-Update: 2015-02-08
  import six
  
  from oslo_concurrency._i18n import _
+--- python-oslo.concurrency-1.4.1.orig/tests/test_warning.py
++++ python-oslo.concurrency-1.4.1/tests/test_warning.py
+@@ -35,7 +35,10 @@ class DeprecationWarningTest(test_base.BaseTestCase):
+         with warnings.catch_warnings(record=True) as warning_msgs:
+             warnings.resetwarnings()
+             warnings.simplefilter('always', DeprecationWarning)
+-            import oslo.concurrency
++            try:
++                import oslo.concurrency
++            except:
++                pass
+ 
+             # Use a separate function to get the stack level correct
+             # so we know the message points back to this file. This