bump fmtstr version due to bug
bump fmtstr version due to bug

--HG--
branch : scroll-frontend
extra : rebase_source : 5455a30272fd07bb9d6fcd32d12c6d9ca06d245c

kdart/bpython,wevial/bpython,wevial/bpython,aktorion/bpython,kdart/bpython,aktorion/bpython