

def _invoke_callbacks(self):
    for callback in callback._done_callbacks:
        try:
            callback(self)
        except Exception:
            LOGGER.exception('exception calling callback for %r', self)

dataset/ETHPy150Open AppScale/appscale/AppServer/lib/concurrent/concurrent/futures/_base.py Future._invoke_callbacks/VarMisuse@13/16 `self`->`callback`