问DRF无法使用PrimaryKeyRelatedField上的视图名称解析超链接关系的URL

EN

# (the class with the issue)
class Section(models.Model):
    teacher = models.ManyToManyField(Teacher)

# (a class that works, using the same pattern)
class Assessment(models.Model):
    standards = models.ManyToManyField(Standard)

# (doesn't work)
class SectionInfoSerializer(serializers.HyperlinkedModelSerializer):
    url = serializers.HyperlinkedIdentityField(view_name="gbook:section-detail")
    teacher = serializers.PrimaryKeyRelatedField(many=True, read_only=True),
    teachers_id = serializers.PrimaryKeyRelatedField(write_only=True, queryset=Teacher.objects.all(), many=True, source='teacher', allow_empty=False)

    class Meta:
        model = Section
        fields = '__all__'
        read_only_fields = ['sendEmails', 'teacher', 'course']

# (works)
class AssessmentSerializer(serializers.HyperlinkedModelSerializer):
    pk = serializers.PrimaryKeyRelatedField(read_only=True)
    url = serializers.HyperlinkedIdentityField(view_name="appname:assessments-detail")
    standards = serializers.PrimaryKeyRelatedField(read_only=True, many=True)
    standards_id = serializers.PrimaryKeyRelatedField(queryset=Standard.objects.all(), source='standards', write_only=True, many=True, allow_empty=False)

    class Meta:
        model = Assessment
        fields = '__all__'

router.register(r'teachers', teacher_views.TeacherViewSet, basename='teacher')
router.register(r'sections', course_views.SectionViewSet)
router.register(r'standards', gbook.views.standard_views.StandardViewSet, basename='standards')
router.register(r'assessments', AssessmentViewSet, basename='assessments')

Internal Server Error: /appname/sections/
Traceback (most recent call last):
  File "/venv2/lib/python3.8/site-packages/rest_framework/relations.py", line 393, in to_representation
    url = self.get_url(value, self.view_name, request, format)
  File "/venv2/lib/python3.8/site-packages/rest_framework/relations.py", line 331, in get_url
    return self.reverse(view_name, kwargs=kwargs, request=request, format=format)
  File "/venv2/lib/python3.8/site-packages/rest_framework/reverse.py", line 47, in reverse
    url = _reverse(viewname, args, kwargs, request, format, **extra)
  File "/venv2/lib/python3.8/site-packages/rest_framework/reverse.py", line 60, in _reverse
    url = django_reverse(viewname, args=args, kwargs=kwargs, **extra)
  File "/venv2/lib/python3.8/site-packages/django/urls/base.py", line 87, in reverse
    return iri_to_uri(resolver._reverse_with_prefix(view, prefix, *args, **kwargs))
  File "/venv2/lib/python3.8/site-packages/django/urls/resolvers.py", line 685, in _reverse_with_prefix
    raise NoReverseMatch(msg)
django.urls.exceptions.NoReverseMatch: Reverse for 'teacher-detail' not found. 'teacher-detail' is not a valid view function or pattern name.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/lib/python3.8/site-packages/django/core/handlers/exception.py", line 47, in inner
    response = get_response(request)
  File "/lib/python3.8/site-packages/django/core/handlers/base.py", line 179, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/lib/python3.8/site-packages/django/views/decorators/csrf.py", line 54, in wrapped_view
    return view_func(*args, **kwargs)
  File "/lib/python3.8/site-packages/rest_framework/viewsets.py", line 114, in view
    return self.dispatch(request, *args, **kwargs)
  File "/lib/python3.8/site-packages/rest_framework/views.py", line 505, in dispatch
    response = self.handle_exception(exc)
  File "/lib/python3.8/site-packages/rest_framework/views.py", line 465, in handle_exception
    self.raise_uncaught_exception(exc)
  File "/lib/python3.8/site-packages/rest_framework/views.py", line 476, in raise_uncaught_exception
    raise exc
  File "/lib/python3.8/site-packages/rest_framework/views.py", line 502, in dispatch
    response = handler(request, *args, **kwargs)
  File "/lib/python3.8/site-packages/rest_framework/mixins.py", line 20, in create
    headers = self.get_success_headers(serializer.data)
  File "/lib/python3.8/site-packages/rest_framework/serializers.py", line 562, in data
    ret = super().data
  File "/lib/python3.8/site-packages/rest_framework/serializers.py", line 260, in data
    self._data = self.to_representation(self.instance)
  File "/lib/python3.8/site-packages/rest_framework/serializers.py", line 529, in to_representation
    ret[field.field_name] = field.to_representation(attribute)
  File "/lib/python3.8/site-packages/rest_framework/relations.py", line 533, in to_representation
    return [
  File "/lib/python3.8/site-packages/rest_framework/relations.py", line 534, in <listcomp>
    self.child_relation.to_representation(value)
  File "/lib/python3.8/site-packages/rest_framework/relations.py", line 408, in to_representation
    raise ImproperlyConfigured(msg % self.view_name)
django.core.exceptions.ImproperlyConfigured: Could not resolve URL for hyperlinked relationship using view name "teacher-detail". You may have failed to include the related model in your API, or incorrectly configured the `lookup_field` attribute on this field.
[24/Dec/2020 09:55:04] "POST /appname/sections/ HTTP/1.1" 500 157269