DirEntry returns invalid values for is_dir and is_file on NFS

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2022-01-06.15:57:09.489>
labels = ['type-bug', 'library', '3.9']
title = 'DirEntry returns invalid values for is_dir and is_file on NFS'
updated_at = <Date 2022-01-06.15:57:09.489>
user = 'https://github.com/devl00p'

bugs.python.org fields:

activity = <Date 2022-01-06.15:57:09.489>
actor = 'Nicolas SURRIBAS'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2022-01-06.15:57:09.489>
creator = 'Nicolas SURRIBAS'
dependencies = []
files = []
hgrepos = []
issue_num = 46284
keywords = []
message_count = 1.0
messages = ['409869']
nosy_count = 1.0
nosy_names = ['Nicolas SURRIBAS']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue46284'
versions = ['Python 3.9']