Seems like this commit

   commit 40356ae3765d123fd9950a961718530219fa5cb8
   Author: Aaron Ecay <aaronecay@gmail.com>
   Date:   Thu Nov 5 15:51:06 2015 +0000

broke Babel. At least I cannot get C-c C-c to execute sec blocks when I 
respond 'y' to queries.

I think this patch fixes it (and some typos), but I hesitate to push it in 
case there is something I am not seeing about the recent changes.

Chuck