type object 'Course' has no attribute 'objects'

#Model.py

class Studnet(EmbeddedDocument):
    student_name = StringField(max_length=200)
    student_contactperson = StringField(max_length=200)
    student_adress = StringField(max_length=200)

class Course(EmbeddedDocument):
    course_name = StringField(max_length=200)
    course_fee = StringField(max_length=200)


#Serializers.py
class CourseSerializer(EmbeddedDocumentSerializer):
    class Meta:
        model = Course
        fields = (course_name,course_fee)


class StudentSerializer(DocumentSerializer):
    courses = CourseSerializer(many=True)
    class Meta:
        model = Student
        fields = ('naam','telefoonnummer','bankrekening','vestiging','abonnement')
        depth = 2

    def create(self, validated_data):
        course_data = validated_data.pop('courses')
        student = Student.objects.create(**validated_data)
        Course.objects.create(student=student, **vestigin_data)
        return student

#Views.py

class StudentViewSet(meviewsets.ModelViewSet):
    lookup_field = 'name'
    queryset = Student.objects.all().order_by('-date_joined')
    serializer_class = StudentSerializer