@loader_option()
def undefer(loadopt, key):
 return loadopt.set_column_strategy((key,), {'deferred': False, 'instrument': True})

@ loader_option ( ) def undefer ( loadopt , key ) : return loadopt . set_column_strategy ( ( key , ) , { 'deferred' : False , 'instrument' : True } )
indicate that the given column-oriented attribute should be undeferred .