[Python-checkins] Fix spelling typo (GH-6443) (#6508)

[Ned Deily]

https://github.com/python/cpython/commit/e735634ea41486239b54f5713399e9244913c6e8
commit: e735634ea41486239b54f5713399e9244913c6e8
branch: 3.6
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: Ned Deily <nad at python.org>
date: 2018-04-17T11:41:51-04:00
summary:

Fix spelling typo (GH-6443) (#6508)

(cherry picked from commit 28e8b66d6c632552765b5fb4573b7f3c9decc3c1)

Co-authored-by: jdemeyer <jdemeyer at cage.ugent.be>

files:
M Lib/test/support/__init__.py

diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py
index 74d435511ae3..867124b63e24 100644
--- a/Lib/test/support/__init__.py
+++ b/Lib/test/support/__init__.py
@@ -2403,7 +2403,7 @@ def check__all__(test_case, module, name_of_module=None, extra=(),
 
     The 'extra' argument can be a set of names that wouldn't otherwise be
     automatically detected as "public", like objects without a proper
-    '__module__' attriubute. If provided, it will be added to the
+    '__module__' attribute. If provided, it will be added to the
     automatically detected ones.
 
     The 'blacklist' argument can be a set of names that must not be treated