Small code improvements

[codecov[bot]]

Codecov Report

Base: 100.00% // Head: 100.00% // No change to project coverage :thumbsup:

Coverage data is based on head (e30ed8a) compared to base (dacfa3c). Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #35 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 4 4 Lines 123 124 +1 ========================================= + Hits 123 124 +1 ``` | [Impacted Files](https://codecov.io/gh/codingjoe/relint/pull/35?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Johannes+Maron) | Coverage Δ | | |---|---|---| | [relint/\_\_main\_\_.py](https://codecov.io/gh/codingjoe/relint/pull/35/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Johannes+Maron#diff-cmVsaW50L19fbWFpbl9fLnB5) | `100.00% <100.00%> (ø)` | | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Johannes+Maron). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Johannes+Maron)

:umbrella: View full report at Codecov.
:loudspeaker: Do you have feedback about the report comment? Let us know in this issue.