[Python-checkins] Improve threading.daemon docstring (GH-14278)

Miss Islington (bot) webhook-mailer at python.org
Sun Jun 23 15:05:13 EDT 2019

commit: e24dbe79ba4e4b497bac4430255e253932f6e99e
branch: 3.7
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: GitHub <noreply at github.com>
date: 2019-06-23T12:05:10-07:00

Improve threading.daemon docstring (GH-14278)

Rephrase and clarify that "the entire Python program exits when only daemon threads are left". This matches the documentation at https://docs.python.org/3/library/threading.htmlGH-thread-objects.
(cherry picked from commit bb110cc2ed81447fb48805f31146cf31323a8fc3)

Co-authored-by: mbarkhau <mbarkhau at gmail.com>

M Lib/threading.py

diff --git a/Lib/threading.py b/Lib/threading.py
index 0fb3bdd55cd7..b597336a1506 100644
--- a/Lib/threading.py
+++ b/Lib/threading.py
@@ -1122,8 +1122,7 @@ def daemon(self):
         main thread is not a daemon thread and therefore all threads created in
         the main thread default to daemon = False.
-        The entire Python program exits when no alive non-daemon threads are
-        left.
+        The entire Python program exits when only daemon threads are left.
         assert self._initialized, "Thread.__init__() not called"

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