

def _attr_has_impl(self, key):
    'Return True if the given attribute is fully initialized.\n\n        i.e. has an impl.\n        '
    return ((key in self) and (self[key].impl is not None))

dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/orm/instrumentation.py ClassManager._attr_has_impl/original