def next(self):
        try:
            return self.app_iter.next()
        except __HOLE__:
            if self.ok_callback:
                self.ok_callback()
            raise
        except:
            self.error_callback(sys.exc_info())
            raise
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Paste-2.0.1/paste/wsgilib.py/_wrap_app_iter.next