Update app.py

app.py

@@ -30,7 +30,6 @@ import os
 import httpx
 
 print("[BOOT] Video Editor API starting…")
-# Remove this line as it is redundant and already imported at the top of the file.
 POINTER_URL = os.getenv("BACKEND_POINTER_URL", "").strip()
 FALLBACK_BASE = os.getenv("BACKEND_BASE_URL", "http://127.0.0.1:8765").strip()
 print(f"[BOOT] POINTER_URL={POINTER_URL or '(unset)'}")
@@ -1165,7 +1164,7 @@ async function refreshWarmupUI(){
 
     const pct = Math.max(0, Math.min(100, parseInt(s.percent||0,10)));
     const running = !!s.running;
-
+    if (warmupStopBtn) warmupStopBtn.style.display = running ? 'inline-block' : 'none';
     if (warmupStatusEl) {
   const tot = (s.total ?? 0);
        if (running) {