Break rather than raising exception on shard calculation bug.  Fixes #335.
Break rather than raising exception on shard calculation bug.  Fixes #335.

wardi/urwid,inducer/urwid,inducer/urwid,wardi/urwid,urwid/urwid,tonycpsu/urwid,wardi/urwid,urwid/urwid,inducer/urwid,tonycpsu/urwid,urwid/urwid,tonycpsu/urwid