Fix named tuples to work with vars().

2 files changed, 2 insertions, 1 deletions

diff --git a/Lib/collections.py b/Lib/collections.py
index d87c55d..958e523 100644
--- a/Lib/collections.py
+++ b/Lib/collections.py
@@ -312,6 +312,7 @@ def namedtuple(typename, field_names, verbose=False, rename=False):
         def _asdict(self):
             'Return a new OrderedDict which maps field names to their values'
             return OrderedDict(zip(self._fields, self)) \n
+        __dict__ = property(_asdict) \n
         def _replace(_self, **kwds):
             'Return a new %(typename)s object replacing specified fields with new values'
             result = _self._make(map(kwds.pop, %(field_names)r, _self))
diff --git a/Lib/test/test_collections.py b/Lib/test/test_collections.py
index 8bdeb3d..313f81f 100644
--- a/Lib/test/test_collections.py
+++ b/Lib/test/test_collections.py
@@ -78,12 +78,12 @@ class TestNamedTuple(unittest.TestCase):
         self.assertRaises(TypeError, eval, 'Point(XXX=1, y=2)', locals())   # wrong keyword argument
         self.assertRaises(TypeError, eval, 'Point(x=1)', locals())          # missing keyword argument
         self.assertEqual(repr(p), 'Point(x=11, y=22)')
-        self.assertNotIn('__dict__', dir(p))                              # verify instance has no dict
         self.assertNotIn('__weakref__', dir(p))
         self.assertEqual(p, Point._make([11, 22]))                          # test _make classmethod
         self.assertEqual(p._fields, ('x', 'y'))                             # test _fields attribute
         self.assertEqual(p._replace(x=1), (1, 22))                          # test _replace method
         self.assertEqual(p._asdict(), dict(x=11, y=22))                     # test _asdict method
+        self.assertEqual(vars(p), p._asdict())                              # verify that vars() works
 
         try:
             p._replace(x=1, error=2)