From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Fri, 20 Nov 2020 21:19:49 +0000 (-0800)
Subject: bpo-42360: Add advice to help avoid pickling issues. (GH-23305) (GH-23429)
X-Git-Tag: v3.9.1rc1~23
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f552f4b2d635ae031e154374ba3a609c63d09d2b;p=thirdparty%2FPython%2Fcpython.git

bpo-42360: Add advice to help avoid pickling issues. (GH-23305) (GH-23429)
---

diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst
index 549ac1bccadf..2ffdb49dbe6d 100644
--- a/Doc/library/collections.rst
+++ b/Doc/library/collections.rst
@@ -849,6 +849,9 @@ they add the ability to access fields by name instead of position index.
     Named tuple instances do not have per-instance dictionaries, so they are
     lightweight and require no more memory than regular tuples.
 
+    To support pickling, the named tuple class should be assigned to a variable
+    that matches *typename*.
+
     .. versionchanged:: 3.1
        Added support for *rename*.