Fix deferred callback doc

6 years ago · eef6c34b57
1 changed files with 1 additions and 0 deletions
--- a/docs/patterns/deferredcallbacks.rst
+++ b/docs/patterns/deferredcallbacks.rst
@ -41,5 +41,6 @@ user in a cookie in a :meth:`~flask.Flask.before_request` callback::
            @after_this_request
            def remember_language(response):
                response.set_cookie('user_lang', language)
+                return response

        g.language = language