[Bug]: Test Suite DeprecationWarning Cleanup

[anujpundir999]

Description

The test suite currently emits a large volume of DeprecationWarning and PendingDeprecationWarning from both first-party code and third-party dependencies. This issue tracks a single project-wide cleanup effort to reduce warning noise and improve long-term Python/Django compatibility.

Steps to Reproduce

No response

Expected Behavior

No response

Actual Behavior

• Invalid escape sequence warnings in regex/string literals.

• Deprecated collections ABC usage (collection.abc migration)

Screenshots

Operating System

Fedora

Browser

Brave

Additional Context

No response

[anujpundir999]

/assign

[github-actions]

✅ @anujpundir999 has been assigned to this issue. You have 5/5 issue(s) assigned.

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