gradio

0978de81 - Passes `gr.Request` if type hint is `Request | None` (#9011)

Passes `gr.Request` if type hint is `Request | None` (#9011) * changes * fix for python 3.8, 3.9 * fix * add changeset --------- Co-authored-by: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com>