default arguments.  Patch contributed by Chris Jerdonek.

HTTP servers and reduce memory usage. It's actually a backport of a Python
3.2 fix. Thanks to Adrien Kunysz.

2.7 : Issue #16013: Fix CSV Reader parsing issue with ending quote characters. Patch by Serhiy Storchaka.

Issue #14167: restore statement about breaks in finally clauses; remove statement about exception chaining.

method doesn't require an argument again.

 #15421: fix an OverflowError in Calendar.itermonthdates() after datetime.MAXYEAR.  Patch by Cédric Krier.

  tools (dpkg-dev) installed.

on the action's default, reverting it back to previous behavior.  Conversion
is only done on string defaults.

Add a test for this and another test that ensures such type conversions are
only called once.

Cleanup 'k' when the creation of PySTEntryObject fails. ad3824a90261 used to decref 'k' in too many error cases.

  when action='append', type='str' and default=[].

Closes #15793: Stack corruption in ssl.RAND_egd(). Python 2.7 hasn't any issue about this, but add a test just to be sure