Fix the bug of type error when calling set_to_default_values() in python interface
Fix the bug of type error when calling set_to_default_values() in python interface

robin-lai/liblinear,angleto/liblinear,toothacher17/liblinear,robin-lai/liblinear,toothacher17/liblinear,rokm/liblinear,toothacher17/liblinear,rokm/liblinear,Maluuba/liblinear,rokm/liblinear,Maluuba/liblinear,robin-lai/liblinear,ShawnHuang/liblinear,robin-lai/liblinear,cjlin1/liblinear,ShawnHuang/liblinear,ShawnHuang/liblinear,ShawnHuang/liblinear,cjlin1/liblinear,Maluuba/liblinear,angleto/liblinear,Maluuba/liblinear,angleto/liblinear,rokm/liblinear,cjlin1/liblinear,angleto/liblinear,toothacher17/liblinear,cjlin1/liblinear