Binary package “python3-hpack” in ubuntu jammy

Pure-Python3 HTTP/2 header encoding (HPACK)

 This module contains a pure-Python HTTP/2 header encoding (HPACK) logic
 for use in Python programs that implement HTTP/2. It also contains a
 compatibility layer that automatically enables the use of nghttp2 if
 it’s available.
 .
 This is the Python 3 version of the package.