From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Wed, 11 Jul 2018 10:11:11 +0000 (-0700)
Subject: Dataclasses: Fix example on 30.6.8, add method should receive a list rather than... 
X-Git-Tag: v3.7.1rc1~288
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=bcea15a6110737aa87147222b108281bcb41866b;p=thirdparty%2FPython%2Fcpython.git

Dataclasses: Fix example on 30.6.8, add method should receive a list rather than an integer. (GH-8038) (GH-8237)

Change example function to append rather than add lists.
(cherry picked from commit da5e9476bbfbe61f7661fd22caba1b675e5b4397)

Co-authored-by: Tom Faulkner <tomfaulkner@gmail.com>
---

diff --git a/Doc/library/dataclasses.rst b/Doc/library/dataclasses.rst
index 9835c480d0ea..e9af20a04af1 100644
--- a/Doc/library/dataclasses.rst
+++ b/Doc/library/dataclasses.rst
@@ -533,7 +533,7 @@ Mutable default values
      class C:
          x = []
          def add(self, element):
-             self.x += element
+             self.x.append(element)
 
      o1 = C()
      o2 = C()