Sync typeshed (#3168)

gvanrossum · web-flow · commit db96af389903 · 2017-04-13T09:24:38.000-07:00
Specifically to include python/typeshed#1156 which is important follow-up for #3107.
diff --git a/typeshed b/typeshed
@@ -1 +1 @@
-Subproject commit 26360e821b427c29ca27117061a3ba806f63e12e
+Subproject commit 359c8cc313d18e309a80548c1d4643506302a525
