From 9fc319dc033fa32d298fe1c3f171b3d011ac04f0 Mon Sep 17 00:00:00 2001 From: Raymond Hettinger Date: Fri, 20 Nov 2020 12:49:32 -0800 Subject: bpo-42360: Add advice to help avoid pickling issues. (GH-23305) --- Doc/library/collections.rst | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst index f538da5..1293f54 100644 --- a/Doc/library/collections.rst +++ b/Doc/library/collections.rst @@ -862,6 +862,9 @@ 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*. -- cgit v0.12