Upload app.py

app.py

@@ -1232,7 +1232,10 @@ HERO = """
 </div>
 """
 
-with gr.Blocks(delete_cache=(3600, 10800)) as demo:
+# (sweep every hour, keep files for a day). The old (3600, 10800) deleted a grabbed frame after
+# three hours while the page still showed it, and the next Generate died in gradio's own
+# preprocessing with FileNotFoundError before this code ran.
+with gr.Blocks(delete_cache=(3600, 86400)) as demo:
     gr.HTML("<style>" + CSS + "</style>")
     gr.HTML(HERO)