Fix pre-commit mypy issues

[tomvothecoder]

Description

• Closes #587

Checklist

• [ ] My code follows the style guidelines of this project
• [ ] I have performed a self-review of my own code
• [ ] My changes generate no new warnings
• [ ] Any dependent changes have been merged and published in downstream modules

If applicable:

• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] New and existing unit tests pass with my changes (locally and CI/CD build)
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [ ] I have noted that this is a breaking change for a major release (fix or feature that would cause existing functionality to not work as expected)

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (fb624bd) 100.00% compared to head (1330b59) 100.00%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #588 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 15 15 Lines 1602 1602 ========================================= Hits 1602 1602 ```

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