Update app.py

app.py

@@ -89,11 +89,11 @@ def upload():
         frame_images = []
 
     return redirect(url_for(
-    'index',
-    video_filename=filename,
-    result_image=result_image,
-    frame_images="|".join(frame_images)
-))
+        'index',
+        video_filename=filename,
+        result_image=result_image,
+        frame_images="|".join(frame_images)
+    ))
 
 
 @app.route('/uploads/<path:filename>')