There is no proper way to know if a process is the main one

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2019-10-18.20:48:15.021>
labels = ['type-feature', 'library']
title = 'There is no proper way to know if a process is the main one'
updated_at = <Date 2020-12-02.23:59:25.887>
user = 'https://github.com/Delgan'

bugs.python.org fields:

activity = <Date 2020-12-02.23:59:25.887>
actor = 'ZackerySpytz'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2019-10-18.20:48:15.021>
creator = 'Delgan'
dependencies = []
files = []
hgrepos = []
issue_num = 38520
keywords = ['patch']
message_count = 1.0
messages = ['354918']
nosy_count = 5.0
nosy_names = ['pitrou', 'davin', 'ZackerySpytz', 'pablogsal', 'Delgan']
pr_nums = ['23621']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue38520'
versions = []