def METHOD_NAME(self):
    """
    ---
    get:
      security:
        - Bearer: [read]
        - Basic: [read]
      tags:
        - "v1"
      summary: "return an exercise for given student"
      description: ""
      operationId: "exercise_student_get"
      produces:
        - "application/json"
      responses:
        200:
          description: successfull return of the exercise
          schema:
            $ref: "#/definitions/ExerciseStudent"
    """
    exercise = self.request.context.exercise
    user = self.request.context.user
    exer_students = exercise.exam.exercise_points.filter(models.ExerciseStudent.student_id == user.id)
    exer_student_schema = models.ExerciseStudentSchema(many=True)
    result = exer_student_schema.dump(exer_students)
    return result