diff -r 997ab4f1530f Lib/test/test_funcattrs.py
--- a/Lib/test/test_funcattrs.py	Wed Oct 24 23:06:25 2012 +0300
+++ b/Lib/test/test_funcattrs.py	Tue Oct 30 23:53:58 2012 +0100
@@ -1,6 +1,8 @@
 from test import support
 import types
 import unittest
+import subprocess
+import sys
 
 class FuncAttrsTest(unittest.TestCase):
     def setUp(self):
@@ -302,6 +304,14 @@
         self.assertTrue(cell(-36) == cell(-36.0))
         self.assertTrue(cell(True) > empty_cell())
 
+    def test_cell_methods(self):
+        # Issue16268: In a new interpreter, a cell object seems to not
+        # inherit methods from the base object type.
+        p = subprocess.Popen([sys.executable, "-c",
+                              'def f(x): return lambda: x\n'
+                              'format(f(1).__closure__[0])'])
+        self.assertEqual(p.wait(), 0)
+
 
 class StaticMethodAttrsTest(unittest.TestCase):
     def test_func_attribute(self):
diff -r 997ab4f1530f Objects/object.c
--- a/Objects/object.c	Wed Oct 24 23:06:25 2012 +0300
+++ b/Objects/object.c	Tue Oct 30 23:53:58 2012 +0100
@@ -1618,6 +1618,9 @@
     if (PyType_Ready(&PyDictProxy_Type) < 0)
         Py_FatalError("Can't initialize dict proxy type");
 
+    if (PyType_Ready(&PyCell_Type) < 0)
+        Py_FatalError("Can't initialize cell type");
+
     if (PyType_Ready(&PyGen_Type) < 0)
         Py_FatalError("Can't initialize generator type");