Sync typeshed (#6491)

ilevkivskyi · web-flow · commit d87e626e2fbd · 2019-02-27T18:38:31.000Z
diff --git a/mypy/typeshed b/mypy/typeshed
@@ -1 +1 @@
-Subproject commit 07ea6614c8c03da598903d1fd4fcfd90a35a6ad3
+Subproject commit 3d638b067726d28ef523207f2b3a566bca461843
