assignee = 'https://github.com/rhettinger'
closed_at = <Date 2012-02-27.00:06:32.686>
created_at = <Date 2011-12-03.00:30:28.386>
labels = ['interpreter-core', 'type-bug']
title = 'Make dict.setdefault() atomic'
updated_at = <Date 2012-02-27.00:06:32.685>
user = 'https://github.com/rhettinger'

activity = <Date 2012-02-27.00:06:32.685>
actor = 'pitrou'
assignee = 'rhettinger'
closed = True
closed_date = <Date 2012-02-27.00:06:32.686>
closer = 'pitrou'
components = ['Interpreter Core']
creation = <Date 2011-12-03.00:30:28.386>
creator = 'rhettinger'
dependencies = []
files = ['23917', '23918', '24035', '24244', '24652']
hgrepos = []
issue_num = 13521
keywords = ['patch']
message_count = 33.0
messages = ['148782', '148784', '148815', '149142', '149164', '149195', '149245', '149246', '149247', '149249', '149255', '149324', '149328', '149329', '149330', '149332', '149333', '149335', '149350', '149367', '149375', '149785', '150878', '150886', '150908', '150912', '150914', '151288', '151296', '154384', '154421', '154422', '154423']
nosy_count = 9.0
nosy_names = ['rhettinger', 'jcea', 'pitrou', 'eric.araujo', 'gruszczy', 'meador.inge', 'python-dev', 'jcon', 'Ramchandra Apte']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue13521'
versions = ['Python 2.7', 'Python 3.2', 'Python 3.3']