CSV sniffing falsely detects space as a delimiter

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2021-07-19.17:40:33.684>
labels = ['3.8', 'type-bug', 'library']
title = 'CSV sniffing falsely detects space as a delimiter'
updated_at = <Date 2021-07-22.02:15:15.339>
user = 'https://github.com/ptokarski'

bugs.python.org fields:

activity = <Date 2021-07-22.02:15:15.339>
actor = 'rhettinger'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2021-07-19.17:40:33.684>
creator = 'pt12lol'
dependencies = []
files = []
hgrepos = []
issue_num = 44677
keywords = ['patch']
message_count = 4.0
messages = ['397821', '397859', '397860', '397974']
nosy_count = 3.0
nosy_names = ['rhettinger', 'python-dev', 'pt12lol']
pr_nums = ['27256']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue44677'
versions = ['Python 3.8']