'Grade options for Courses
NB Best to keep Pass/Fail on these numbers but can add additional values if-required, e.g.:
{0: T("No Show"),
1: T("Left Early"),
8: T("Pass"),
9: T("Fail"),'

def get_hrm_course_grades(self):

    T = current.T
    return self.__lazy('hrm', 'course_grades', default={8: T('Pass'), 9: T('Fail')})
