Update app.py

app.py

@@ -32,8 +32,11 @@ def fonk(video_path):
       frame= cv2.rectangle(frame, (x1, y1), (x2, y2), (0, 255, 0), 2)
       output_video= writer.write(frame)
       
-    return output_video
-
+      
+  writer.release()
+  cap.release()
+  return "filename.mp4"
+ 
 demo = gr.Interface(fonk,
                     inputs= gr.Video(),
                     outputs=gr.Video(),