diff --git a/test/unit/proxy/test_server.py b/test/unit/proxy/test_server.py
index a5a3671630..644e931411 100644
--- a/test/unit/proxy/test_server.py
+++ b/test/unit/proxy/test_server.py
@@ -113,24 +113,27 @@ def setup():
     obj2lis = listen(('localhost', 0))
     _test_sockets = \
         (prolis, acc1lis, acc2lis, con1lis, con2lis, obj1lis, obj2lis)
-    pickle.dump(ring.RingData([[0, 1, 0, 1], [1, 0, 1, 0]],
-                [{'id': 0, 'zone': 0, 'device': 'sda1', 'ip': '127.0.0.1',
-                  'port': acc1lis.getsockname()[1]},
-                 {'id': 1, 'zone': 1, 'device': 'sdb1', 'ip': '127.0.0.1',
-                  'port': acc2lis.getsockname()[1]}], 30),
-                GzipFile(os.path.join(_testdir, 'account.ring.gz'), 'wb'))
-    pickle.dump(ring.RingData([[0, 1, 0, 1], [1, 0, 1, 0]],
-                [{'id': 0, 'zone': 0, 'device': 'sda1', 'ip': '127.0.0.1',
-                  'port': con1lis.getsockname()[1]},
-                 {'id': 1, 'zone': 1, 'device': 'sdb1', 'ip': '127.0.0.1',
-                  'port': con2lis.getsockname()[1]}], 30),
-                GzipFile(os.path.join(_testdir, 'container.ring.gz'), 'wb'))
-    pickle.dump(ring.RingData([[0, 1, 0, 1], [1, 0, 1, 0]],
-                [{'id': 0, 'zone': 0, 'device': 'sda1', 'ip': '127.0.0.1',
-                  'port': obj1lis.getsockname()[1]},
-                 {'id': 1, 'zone': 1, 'device': 'sdb1', 'ip': '127.0.0.1',
-                  'port': obj2lis.getsockname()[1]}], 30),
-                GzipFile(os.path.join(_testdir, 'object.ring.gz'), 'wb'))
+    with GzipFile(os.path.join(_testdir, 'account.ring.gz'), 'wb') as f:
+        pickle.dump(ring.RingData([[0, 1, 0, 1], [1, 0, 1, 0]],
+                    [{'id': 0, 'zone': 0, 'device': 'sda1', 'ip': '127.0.0.1',
+                      'port': acc1lis.getsockname()[1]},
+                     {'id': 1, 'zone': 1, 'device': 'sdb1', 'ip': '127.0.0.1',
+                      'port': acc2lis.getsockname()[1]}], 30),
+                    f)
+    with GzipFile(os.path.join(_testdir, 'container.ring.gz'), 'wb') as f:
+        pickle.dump(ring.RingData([[0, 1, 0, 1], [1, 0, 1, 0]],
+                    [{'id': 0, 'zone': 0, 'device': 'sda1', 'ip': '127.0.0.1',
+                      'port': con1lis.getsockname()[1]},
+                     {'id': 1, 'zone': 1, 'device': 'sdb1', 'ip': '127.0.0.1',
+                      'port': con2lis.getsockname()[1]}], 30),
+                    f)
+    with GzipFile(os.path.join(_testdir, 'object.ring.gz'), 'wb') as f:
+        pickle.dump(ring.RingData([[0, 1, 0, 1], [1, 0, 1, 0]],
+                    [{'id': 0, 'zone': 0, 'device': 'sda1', 'ip': '127.0.0.1',
+                      'port': obj1lis.getsockname()[1]},
+                     {'id': 1, 'zone': 1, 'device': 'sdb1', 'ip': '127.0.0.1',
+                      'port': obj2lis.getsockname()[1]}], 30),
+                    f)
     prosrv = proxy_server.Application(conf, FakeMemcacheReturnsNone())
     acc1srv = account_server.AccountController(conf)
     acc2srv = account_server.AccountController(conf)