Update app.py

app.py

@@ -86,12 +86,12 @@ def upload():
         print(f"❌ analyze_video failed: {e}")
         result_image = "placeholder.jpg"
 
-return redirect(url_for(
-    'index',
-    video_filename=filename,
-    result_image=result_image,
-    frame_images="|".join(frame_images)
-))
+    return redirect(url_for(
+        'index',
+        video_filename=filename,
+        result_image=result_image,
+        frame_images="|".join(frame_images)
+    ))
 
 @app.route('/uploads/<path:filename>')
 def uploaded_file(filename):