prevent nil error when instructors forget to upload file when they create template
prevent nil error when instructors forget to upload file when they create template

MarkUsProject/Markus,benjaminvialle/Markus,MarkUsProject/Markus,benjaminvialle/Markus,benjaminvialle/Markus,MarkUsProject/Markus,MarkUsProject/Markus,benjaminvialle/Markus,MarkUsProject/Markus,MarkUsProject/Markus,MarkUsProject/Markus,benjaminvialle/Markus,benjaminvialle/Markus,MarkUsProject/Markus,benjaminvialle/Markus