https://github.com/viewflow/django-material/blob/b417cdfa3b1fe5811d79b9114b7f1069a0f50d77/material/static/material/js/materialize.components.js#L857

Using 0 in loop, instead loop counter. When messages added in backend through messages object from django.contrib library - it will display only first message with loop length count.

Use https://github.com/stopstalk/stopstalk-deployment/blob/79911cdaf9e8ff0da963d044b286893144b189ec/modules/sites/codechef.py#L204 to replace
https://github.com/stopstalk/stopstalk-deployment/blob/79911cdaf9e8ff0da963d044b286893144b189ec/modules/sites/codechef.py#L139

First I would clearly mention that addtional libraries need to be installed.

More important is, that you can not upload files with [IP_ADDRESS]/edit. It is [IP_ADDRESS]/upload. And please make clear which files should be uploaded.... this is the next think to figure out now ;-).

Thanks