def __repr__(self):
        with self._condition:
            if self._state == FINISHED:
                if self._exception:
                    return '<Future at %s state=%s raised %s>' % (
                        hex(id(self)),
                        _STATE_TO_DESCRIPTION_MAP[self._state],
                        self._exception.__class__.__name__)
                else:
                    return '<Future at %s state=%s returned %s>' % (
                        hex(id(self)),
                        _STATE_TO_DESCRIPTION_MAP[self._state],
                        self._result.__class__.__name__)
            return '<Future at %s state=%s>' + (
                    hex(id(self)),
                   _STATE_TO_DESCRIPTION_MAP[self._state])
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/concurrent/concurrent/futures/_base.py/Future.__repr__/operator `%` -> `+`