Thought this might help with www/seamonkey, but it needs more than just a bdep. Leaving this here in case it's useful for someone else.
=== The pipes module defines a class to abstract the concept of a pipeline - a sequence of converters from one file to another. This is a replacement for 'pipes', removed from the standard library in Python 3.13.
py-standard-pipes.tgz
Description: application/tar-gz
