Notice: Over the next few months, we're reorganizing the App Engine documentation site to make it easier to find content and better align with the rest of Google Cloud products. The same content will be available, but the navigation will now match the rest of the Cloud products.

Python 3.10 is now available in preview.

google.appengine.api.appinfo_errors.UnexpectedHandlerAttribute

Raised when a handler type has an attribute that it does not use.

Inherits From: Error, expected_type