tkinter: add _get_master() and use it consistently #48593

assignee = None
closed_at = None
created_at = <Date 2008-11-18.12:39:18.105>
labels = ['type-feature', 'expert-tkinter']
title = 'tkinter: add _get_master() and use it consistently'
updated_at = <Date 2020-12-21.09:22:57.177>
user = 'https://bugs.python.org/gpolo'

activity = <Date 2020-12-21.09:22:57.177>
actor = 'serhiy.storchaka'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Tkinter']
creation = <Date 2008-11-18.12:39:18.105>
creator = 'gpolo'
dependencies = []
files = ['12041', '12042']
hgrepos = []
issue_num = 4343
keywords = ['patch', 'needs review']
message_count = 8.0
messages = ['76005', '80988', '190634', '190635', '228589', '228611', '248152', '383498']
nosy_count = 4.0
nosy_names = ['terry.reedy', 'gpolo', 'r.david.murray', 'serhiy.storchaka']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'needs patch'
status = 'pending'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue4343'
versions = ['Python 3.5']