the end of the 2.7 branch

1. 52c3605 Use weakrefs to hold onto classes #2521. by Benjamin Peterson · 15 years ago
2. bde67df keep UserDict an old-style class by Benjamin Peterson · 15 years ago
3. 47627d5 #7624: Fix isinstance(foo(), collections.Callable) for old-style classes. by Florent Xicluna · 15 years ago
4. 2deb5c7 raise a clear TypeError when trying to register a non-class by Benjamin Peterson · 16 years ago
5. 2827709 Fix typos. by Walter Dörwald · 16 years ago
6. bcf7bf3 Fix 3k-style metaclass syntax in docstrings. by Georg Brandl · 16 years ago
7. 91ae3ea Issue 3747: Fix caching in ABCMeta.__subclasscheck__ (R: Georg Brandl) by Nick Coghlan · 17 years ago
8. b9e15f7 Make isinstance(OldstyleClass, NewstyleClass) return False instead of raising by Jeffrey Yasskin · 17 years ago
9. 960b9b7 Move abc._Abstract into object by adding a new flag Py_TPFLAGS_IS_ABSTRACT, by Jeffrey Yasskin · 17 years ago
10. 57bd60b Working on issue #1762: Brought by Jeffrey Yasskin · 18 years ago
11. fd1c245 Fix issue 1747: allow classic classes to be checked for being subclasses of by Jeffrey Yasskin · 18 years ago
12. 64c06e3 Backport of _abccoll.py by Benjamin Arangueren, issue 1383. by Guido van Rossum · 18 years ago
13. b559113 Patch # 1026 by Benjamin Aranguren (with Alex Martelli): by Guido van Rossum · 18 years ago