在/无法使用视图名“classname-detail”解析超链接关系的URL

serializers.py:

serializers.py:

from django.forms import widgets
from rest_framework import serializers
from .models import Classname, Sectionname, Teachername, Attendancename
from django.contrib.auth.models import User


class ClassSerializer(serializers.HyperlinkedModelSerializer):   #Once I add the Hyperlinked it raises above exception.
    class Meta:
        model = Classname
        fields = ('url', 'class_name',)

class SectionSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Sectionname
        fields = ('url', 'class_name', 'section_name')

class TeacherSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Teachername
        fields = ('url', 'classname', 'secname', 'teachname')

class AttendanceSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Attendancename
        fields = ('url', 'teacher_name', 'date', 'intime', 'outtime')
from django