On Sat, May 10, 2014 at 7:39 AM, Preethi <preethidasa at gmail.com> wrote: > future==0.9.0 It looks like that library is out of date. The current version looks to be 0.12.0, and it also looks like this bug was fixed in the 0.12.0 release. I'd upgrade your version if at all possible. -- Jerry