I chased that tweet back to “The Hill” and the story was from July 2019
I only can find news of a ruling from back in july.
https://duckduckgo.com/?ratb=c&q=9th+circuit+allowswitholding+to+sanctuary+cities&t=vivaldi&ia=web
nothing recent on the 9th’s web site.
You never know if you can trust tweets.