def check_update(self, timestamp, fields=None):
        for project in self.get_all(fields=('updatetime', 'name')):
            if timestamp > project['updatetime']:
                project = self.get(project['name'], fields)
                yield self._default_fields(project)
dataset/ETHPy150Open binux/pyspider/pyspider/database/mongodb/projectdb.py/ProjectDB.check_update/swapped operands of `>`