Sync typeshed (#4033)

gvanrossum · web-flow · commit e9d1ed7b73be · 2017-09-29T09:34:48.000-07:00
diff --git a/typeshed b/typeshed
@@ -1 +1 @@
-Subproject commit d389ef3d854cf38d1e52d04ad2d4cfc5f45a0e29
+Subproject commit 1a164b630cbb27511ce0da7f2f08e62589858862
