Search - batch management not working

[crazyambivert]

1. login to the admin module on smitakasinath.pythonanywhere.com
2. click on batch management in the menu(refer - 103288344-ad25dc00-4a0a-11eb-8c8c-b2997882867d .png for the list of batches shown 3.in the search text box, enter the words- online batch 1 , and click on search
3. no search results are shown