Fixes #2021: Fix recursion error when viewing API docs under Python 3.4

netbox/netbox/urls.py

@@ -52,9 +52,9 @@
     url(r'^api/secrets/', include('secrets.api.urls')),
     url(r'^api/tenancy/', include('tenancy.api.urls')),
     url(r'^api/virtualization/', include('virtualization.api.urls')),
-    url(r'^api/docs/$', schema_view.with_ui('swagger', cache_timeout=None), name='api_docs'),
-    url(r'^api/redoc/$', schema_view.with_ui('redoc', cache_timeout=None), name='api_redocs'),
-    url(r'^api/swagger(?P<format>.json|.yaml)$', schema_view.without_ui(cache_timeout=None), name='schema_swagger'),
+    url(r'^api/docs/$', schema_view.with_ui('swagger'), name='api_docs'),
+    url(r'^api/redoc/$', schema_view.with_ui('redoc'), name='api_redocs'),
+    url(r'^api/swagger(?P<format>.json|.yaml)$', schema_view.without_ui(), name='schema_swagger'),
 
     # Serving static media in Django to pipe it through LoginRequiredMiddleware
     url(r'^media/(?P<path>.*)$', serve, {'document_root': settings.MEDIA_ROOT}),