fix app.py

app.py

@@ -87,8 +87,10 @@ async def main():
         pbars = []
 
         for i, batch in enumerate(batches):
-            pbar = tqdm(total=len(batch), desc=f"Batch {
-                        i+1}/{len(batches)}", position=i)
+            pbar = tqdm(
+                total=len(batch), 
+                desc=f"Batch {i+1}/{len(batches)}", 
+            position=i)
             pbars.append(pbar)
 
             if i == 0: