[New-bugs-announce] [issue23555] behavioural change in argparse set_defaults in python 2.7.9

[Matthias Klose]

New submission from Matthias Klose:

seen with ceph, https://launchpad.net/bugs/1413321

This appears to be a regression in the argparse package in python; under trusty ceph-disk works just fine, however in vivid, the cluster attribute remains unset (despite having a default of 'ceph'). Attached python demonstrates the problem.

----------
components: Library (Lib)
files: test.py
messages: 236956
nosy: doko
priority: normal
severity: normal
status: open
title: behavioural change in argparse set_defaults in python 2.7.9
versions: Python 2.7
Added file: http://bugs.python.org/file38284/test.py

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<http://bugs.python.org/issue23555>
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