failing-revenge-grades-api

grade.py

class GradeApi(Resource):
    @https
    def patch(self, student_id, course_id, grade_score):
        grade = Grade.query.filter(Grade.student_id == student_id,
                                   Grade.course_id == course_id).first()
        if grade:
            grade.grade_score = grade_score
            db.session.commit()
            return jsonify({'status':'ok'})
        return jsonify({'status':'err'})