pprint doesn't know how to print a defaultdict #49381

assignee = None
closed_at = <Date 2014-01-04.14:43:42.546>
created_at = <Date 2009-02-02.16:34:00.879>
labels = ['type-feature', 'library']
title = "pprint doesn't know how to print a defaultdict"
updated_at = <Date 2014-01-04.14:43:42.540>
user = 'https://bugs.python.org/ncw'

activity = <Date 2014-01-04.14:43:42.540>
actor = 'ncoghlan'
assignee = 'none'
closed = True
closed_date = <Date 2014-01-04.14:43:42.546>
closer = 'ncoghlan'
components = ['Library (Lib)']
creation = <Date 2009-02-02.16:34:00.879>
creator = 'ncw'
dependencies = []
files = ['13425']
hgrepos = []
issue_num = 5131
keywords = ['patch']
message_count = 15.0
messages = ['80948', '84221', '84533', '84572', '84758', '109670', '111157', '114920', '114921', '117527', '117565', '117591', '117632', '117781', '207286']
nosy_count = 11.0
nosy_names = ['fdrake', 'rhettinger', 'terry.reedy', 'amaury.forgeotdarc', 'ncoghlan', 'jackdied', 'giampaolo.rodola', 'ncw', 'bpb', 'rbp', 'eric.araujo']
pr_nums = []
priority = 'normal'
resolution = 'duplicate'
stage = 'resolved'
status = 'closed'
superseder = '7434'
type = 'enhancement'
url = 'https://bugs.python.org/issue5131'
versions = ['Python 3.2']