fragment="t_output_helper") {}
%typemap(argout,fragment="t_out_helper"{Type}) Type *OUTPUT, Type &OUTPUT
// generate None if smartpointer is NULL
- "$result = t_output_helper($result, ((*$1) ? SWIG_NewPointerObj((void*)($1), $1_descriptor, 1) : (Py_INCREF(Py_None), Py_None)));"
+ "$result = t_output_helper($result, ((*$1) ? SWIG_NewPointerObj((void*)($1), $1_descriptor, 1) : (delete $1, Py_INCREF(Py_None), Py_None)));"
%enddef