test_dirnode.py: reduce scope of a Client instance, suggested by Kevan.

diff --git a/src/allmydata/test/test_dirnode.py b/src/allmydata/test/test_dirnode.py
index a45b37f30f333a8ce51af909c70d91119a74d898..a07d298e17297a0c9c8a11f0e210e8b357e03d3a 100644 (file)
--- a/src/allmydata/test/test_dirnode.py
+++ b/src/allmydata/test/test_dirnode.py
@@ -1045,8 +1045,8 @@ class FakeClient2(Client):
 
 class Dirnode2(unittest.TestCase, testutil.ShouldFailMixin):
     def setUp(self):
-        self.client = FakeClient2()
-        self.nodemaker = self.client.nodemaker
+        client = FakeClient2()
+        self.nodemaker = client.nodemaker
 
     def test_from_future(self):
         # create a dirnode that contains unknown URI types, and make sure we