groups api fix

src/groups/serializers.py

@@ -6,9 +6,11 @@ class GroupSerializer(serializers.ModelSerializer):
     class Meta:
         model = models.Group
         read_only_fields = (
+            'id',
             'name',
             'description',)
         fields = (
+            'id',
             'name',
             'description',
         )

src/groups/urls.py

@@ -3,5 +3,5 @@ from . import views
 
 router = routers.DefaultRouter()
 
-router.register(r'group', views.GroupViewSet, base_name='group')
+router.register(r'groups', views.GroupsViewSet, base_name='groups')
 urlpatterns = router.urls