rep na with empty str
rep na with empty str

tttor/csipb-jamu-prj,tttor/csipb-jamu-prj,tttor/csipb-jamu-prj,tttor/csipb-jamu-prj,tttor/csipb-jamu-prj,tttor/csipb-jamu-prj,tttor/csipb-jamu-prj,tttor/csipb-jamu-prj,tttor/csipb-jamu-prj