https://github.com/python/cpython/commit/bcea15a6110737aa87147222b108281bcb41866b commit: bcea15a6110737aa87147222b108281bcb41866b branch: 3.7 author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com> committer: Eric V. Smith <ericvsmith at users.noreply.github.com> date: 2018年07月11日T06:11:11-04:00 summary: 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 at gmail.com> files: M Doc/library/dataclasses.rst 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()