Fix an indentation issue in backend\utils.py

[bartallan]

Motivation and Context

This change is required to solve issue #813, which is an IndentationError in backend\utils.py

Description

Fix an indentation issue in backend\utils.py

Contribution Checklist

• [x] I have built and tested the code locally and in a deployed app
• [x] For frontend changes, I have pulled the latest code from main, built the frontend, and committed all static files.
• [x] This is a change for all users of this app. No code or asset is specific to my use case or my organization.
• [x] I didn't break any existing functionality :smile:

[bartallan]

Fix was merged as part of #810