Fix lint in the Python Backend

[debjanighosh2510]

🚀 Pull Request Description

Description

•	Fix linting issues in py-be workspace
•	Replace non-breaking spaces with valid indentation in affected files (routes.py, user.py, base.py)
•	Run black and isort auto-formatting across codebase
•	Ensure lint passes locally and in CI/CD workflow

🔗 Linked Issues

Fixes #511

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Chore (refactoring, dependency updates, etc.)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration.

• Unit Tests
• Integration Tests
• End-to-End Tests (describe manual steps or automated test suite)
• Tested locally with full stack setup

📸 Screenshots

[Include relevant screenshots or screen recordings demonstrating the changes]

✅ PR Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have tested these changes locally
• Relevant documentation is updated
• My code follows the repository's coding guidelines
• I have added/updated tests that prove my fix/feature
• No breaking changes introduced
• Code is well-commented and readable

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Project	Deployment	Preview	Comments	Updated (UTC)
stark-finder-mq45	Ready	Preview	Comment	Aug 27, 2025 7:31pm