Update app.py

app.py

@@ -458,13 +458,25 @@ def create_demo():
 
         def worker(url: str, prompt: str, key: str, progress=gr.Progress()):
             try:
-                if not url: raise ValueError("No URL provided.")
+                if not url: 
+                    raise ValueError("No URL provided.")
+                
                 src = url
                 progress(0, desc="Starting processing...")
-                result = run_blocking_in_thread(process_media, src, prompt or "", key or "", progress)
+                
+                result = run_blocking_in_thread(
+                    process_media, 
+                    src, 
+                    prompt or "", 
+                    key or "", 
+                    progress
+                )
 
-                if hasattr(result, "result"): result = result.result()
+                if hasattr(result, "result"):
+                    result = result.result()
+                
                 return result if result else "Error: no result returned."
+    
             except Exception as e:
                 return f"Unexpected error in worker: {e}"