Gradio/Python space won’t run on Raspberry Pi browser

My gradio/python space (GradioTest - a Hugging Face Space by dlflannery)
Runs fine on many browsers, including Edge on Win11, Chrome and Safari on iPad or iPhone. However on a Chromium browser running on the Raspbian OS on a Raspberry Pi, the page loads but nothing shows but the header bar at top (which shows it connected) and no content shows and no gui widgets respond.

Is anyone able to run a HF Gradio/Python space on their Pi? If so what browser are you using? Any settings needed?