Move UserList to collections.
diff --git a/Lib/test/test_weakref.py b/Lib/test/test_weakref.py
index 922b293..7de7b77 100644
--- a/Lib/test/test_weakref.py
+++ b/Lib/test/test_weakref.py
@@ -1,7 +1,7 @@
 import gc
 import sys
 import unittest
-import UserList
+import collections
 import weakref
 
 from test import test_support
@@ -157,7 +157,7 @@
         o = C()
         self.check_proxy(o, weakref.proxy(o))
 
-        L = UserList.UserList()
+        L = collections.UserList()
         p = weakref.proxy(L)
         self.failIf(p, "proxy for empty UserList should be false")
         p.append(12)
@@ -171,11 +171,11 @@
         p[1] = 5
         self.assertEqual(L[1], 5)
         self.assertEqual(p[1], 5)
-        L2 = UserList.UserList(L)
+        L2 = collections.UserList(L)
         p2 = weakref.proxy(L2)
         self.assertEqual(p, p2)
         ## self.assertEqual(repr(L2), repr(p2))
-        L3 = UserList.UserList(range(10))
+        L3 = collections.UserList(range(10))
         p3 = weakref.proxy(L3)
         self.assertEqual(L3[:], p3[:])
         self.assertEqual(L3[5:], p3[5:])