diff --git a/master/buildbot/test/unit/process/test_buildrequest.py b/master/buildbot/test/unit/process/test_buildrequest.py
index d08c39e33958..1a69009e2386 100644
--- a/master/buildbot/test/unit/process/test_buildrequest.py
+++ b/master/buildbot/test/unit/process/test_buildrequest.py
@@ -66,6 +66,7 @@ def test_collapseRequests_no_other_request(self):
         def collapseRequests_fn(master, builder, brdict1, brdict2):
             # Allow all requests
             self.fail("Should never be called")
+            # pylint: disable=unreachable
             return True
 
         self.bldr.getCollapseRequestsFn = lambda: collapseRequests_fn