Update typeshed (#5645)

msullivan · web-flow · commit c147a564ba42 · 2018-09-19T14:41:05.000-07:00
diff --git a/mypy/typeshed b/mypy/typeshed
@@ -1 +1 @@
-Subproject commit daae0c7980b9995555185eac5f6486ecf4bdff11
+Subproject commit 4f4a025409dc4037a35a46c8a57b75a384d05fe5
