diff --git a/cv_pubsubs/window_sub/cv_window_sub.py b/cv_pubsubs/window_sub/cv_window_sub.py
index 49ac64b..bc42703 100644
--- a/cv_pubsubs/window_sub/cv_window_sub.py
+++ b/cv_pubsubs/window_sub/cv_window_sub.py
@@ -25,6 +25,7 @@ def sub_win_loop(
                     frames = frame_dict[input_vid_global_names[i]]
                 for f in range(len(frames)):
                     cv2.imshow(names[f % len(names)], frames[f])
+
             if cv2.waitKey(1) & 0xFF == ord('q'):
                 for name in names:
                     cv2.destroyWindow(name)