Don't use hardcoded urls and status

eox_tagging/api/v1/viewset.py

@@ -3,7 +3,7 @@
 """
 from edx_api_doc_tools import query_parameter, schema_for
 from eox_audit_model.decorators import audit_method
-from rest_framework import viewsets
+from rest_framework import status, viewsets
 from rest_framework.authentication import SessionAuthentication
 
 from eox_tagging.api.v1.filters import FilterBackend, TagFilter
@@ -72,14 +72,14 @@
     """
     Delete single tag by key. Deleted tags are inactivated (soft delete)
     """,
-    responses={404: "Not found"},
+    responses={status.HTTP_404_NOT_FOUND: "Not found"},
 )
 @schema_for(
     "retrieve",
     """
     Fetch details for a single tag by key
     """,
-    responses={404: "Not found"},
+    responses={status.HTTP_404_NOT_FOUND: "Not found"},
 )
 @schema_for(
     "list",
@@ -172,7 +172,7 @@
         ),
         query_parameter("access", str, "Filter by access, One of `PUBLIC`, `PRIVATE`, `PROTECTED`"),
     ],
-    responses={404: "Not found"},
+    responses={status.HTTP_404_NOT_FOUND: "Not found"},
 )
 class TagViewSet(viewsets.ModelViewSet):
     """Viewset for listing and creating Tags."""

eox_tagging/api_schema.py

@@ -3,6 +3,7 @@
 """
 from django.conf import settings
 from django.conf.urls import include, url
+from django.urls import reverse
 from drf_yasg.generators import OpenAPISchemaGenerator
 from drf_yasg.openapi import SwaggerDict
 from drf_yasg.views import get_schema_view
@@ -22,7 +23,7 @@ def get_security_definitions(self):
         security_definitions = {
             "OAuth2": {
                 "flow": "application",
-                "tokenUrl": "{}/oauth2/access_token/".format(settings.LMS_ROOT_URL),
+                "tokenUrl": "{}{}".format(settings.LMS_ROOT_URL, reverse('access_token')),
                 "type": "oauth2",
             },
         }