- print >> swig, '%%attribute(sigrok::%s, int, id, id);' % classname
- print >> swig, '%%attributestring(sigrok::%s, std::string, name, name);' % classname
+ print('%%attribute(sigrok::%s, int, id, id);' % classname, file=swig)
+ print('%%attributestring(sigrok::%s, std::string, name, name);' % classname,
+ file=swig)