Eric V. Smith <e...@trueblade.com> added the comment:

Maybe do both, then. Also, it's probably better for performance reasons (I 
know: premature optimization and all that ...):

@@ -1018,8 +1018,10 @@ def _asdict_inner(obj, dict_factory):
             value = _asdict_inner(getattr(obj, f.name), dict_factory)
             result.append((f.name, value))
         return dict_factory(result)
-    elif isinstance(obj, (list, tuple)):
+    elif type(obj) in (list, tuple):
         return type(obj)(_asdict_inner(v, dict_factory) for v in obj)
+    elif isinstance(obj, (list, tuple)):
+        return type(obj)(*[_asdict_inner(v, dict_factory) for v in obj])
     elif isinstance(obj, dict):
         return type(obj)((_asdict_inner(k, dict_factory), _asdict_inner(v, 
dict_factory))
                           for k, v in obj.items())

I guess we could argue it's a bug in nametuples, but I don't see that getting 
us very far.

----------

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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue34363>
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