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 generally available.


Raised when a handler specified too many HTTP headers.

Inherits From: Error, expected_type

The message should indicate the maximum number of headers allowed.