updated the files based on comments

api/views/category.py

@@ -1,9 +1,11 @@
+import json
+
 from django.shortcuts import get_object_or_404
 
 from api.serializers.category import CategorySerializer
 from api.views.base import BaseView
 from web.models.category import Category
-import json
+
 
 class CategoryView(BaseView):
     SERIALIZER = CategorySerializer

api/views/tag.py

@@ -1,9 +1,11 @@
+import json
+
 from django.shortcuts import get_object_or_404
 
 from api.serializers.tag import TagSerializer
 from api.views.base import BaseView
 from web.models.tag import Tag
-import json
+
 
 class TagView(BaseView):
     SERIALIZER = TagSerializer

localist/settings.py

@@ -32,7 +32,7 @@ ALLOWED_HOSTS = []
 # Application definition
 
 INSTALLED_APPS = [
-    "corsheaders",  # add before other apps
+    "corsheaders",
     "django.contrib.admin",
     "django.contrib.auth",
     "django.contrib.contenttypes",
@@ -45,7 +45,7 @@ INSTALLED_APPS = [
 ]
 
 MIDDLEWARE = [
-    "corsheaders.middleware.CorsMiddleware",  # must be first/near top
+    "corsheaders.middleware.CorsMiddleware",
     "django.middleware.common.CommonMiddleware",
     "django.middleware.security.SecurityMiddleware",
     "django.contrib.sessions.middleware.SessionMiddleware",