What is a NoReverseMatch error, and how do I fix it?

The NoReverseMatch error is saying that Django cannot find a matching url pattern for the url you’ve provided in any of your installed app’s urls. The NoReverseMatch exception is raised by django.core.urlresolvers when a matching URL in your URLconf cannot be identified based on the parameters supplied. To start debugging it, you need to start … Read more

super(type, obj): obj must be an instance or subtype of type

You should call super using the UrlManager class as first argument not the URL model. super cannot called be with an unrelated class/type: From the docs, super(type[, object-or-type]): Return a proxy object that delegates method calls to a parent or sibling class of type. So you cannot do: You should do: Or in Python 3: