Repetitive Comment Deletion causes Application breakdown

[rohnnie]

Description: When I navigate to Find Roommates and choose a listing in this case say Michael. I post a comment say lalalala. And then I delete the comment. After deleting, when I press back button on browser, the deleted comment appears again. And then when I press delete again, I get the error and application breaks.

Details requested by TA are as below:

Account Used:
Username: rohan.test2
Password: Testing@100

Error: Deleted comment reappears after navigating back, causing application crash on repeated deletion attempt.

Steps Followed:
(a) Navigate to Homepage
(b) Clicked on Find Roommates
(c) Select a Profile in this case - Michael
(d) Post a comment
(e) Delete the comment
(f) Press back button on browser
(g) The deleted comment appears again. Press Delete again on comment.
(h) [ERROR] ----------> Application Crashes

Page URL: http://django-tutorial-test-before-deploy2.eba-n75bixnu.us-west-2.elasticbeanstalk.com/roommates/comment/4/delete/