53 Commits

Author	SHA1	Message	Date
Raymond Hettinger	499e19340e	Add tests for the _ChainMap helper class.	2011-02-23 07:56:53 +00:00
Raymond Hettinger	c9423109f5	Factor-out common code for helper classes.	2011-02-22 01:55:36 +00:00
Raymond Hettinger	158c9c26fc	Issue #11085: Moved collections abstract base classes into a separate module ... called collections.abc, following the pattern used by importlib.abc. For backwards compatibility, the names continue to also be imported into the collections module.	2011-02-22 00:41:50 +00:00