<s> import braintree <EOL> from braintree . resource import Resource <EOL> class AmexExpressCheckoutCard ( Resource ) : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self , gateway , attributes ) : <EOL> Resource . __init__ ( self , gateway , attributes ) <EOL> if "<STR_LIT>" in attributes : <EOL> self . subscriptions = [ braintree . subscription . Subscription ( gateway , subscription ) for subscription in self . subscriptions ] <EOL> @ property <EOL> def expiration_date ( self ) : <EOL> return self . expiration_month + "<STR_LIT:/>" + self . expiration_year </s>
