diff --git a/Lib/test/test_compare.py b/Lib/test/test_compare.py
index 1d8b947..bc833ea 100644
--- a/Lib/test/test_compare.py
+++ b/Lib/test/test_compare.py
@@ -45,7 +45,7 @@
                 else:
                     print "%s != %s" % (a, b)
     # Ensure default comparison compares id() of args
-    L = [None]
+    L = []
     for i in range(10):
         L.insert(len(L)/2, Empty())
     for a in L:
diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index 51a8a40..69ec66a 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -881,8 +881,8 @@
     verify(c1 != c2)
     verify(not c1 != c1)
     verify(not c1 == c2)
-    verify(str(c1) == '<C object at 0x%x>' % id(c1))
-    verify(repr(c1) == '<C object at 0x%x>' % id(c1))
+    verify(str(c1).startswith('<C object at '))
+    verify(str(c1) == repr(c1))
     verify(-1 not in c1)
     for i in range(10):
         verify(i in c1)
@@ -902,8 +902,8 @@
     verify(d1 != d2)
     verify(not d1 != d1)
     verify(not d1 == d2)
-    verify(str(d1) == '<D object at 0x%x>' % id(d1))
-    verify(repr(d1) == '<D object at 0x%x>' % id(d1))
+    verify(str(d1).startswith('<D object at '))
+    verify(str(d1) == repr(d1))
     verify(-1 not in d1)
     for i in range(10):
         verify(i in d1)