conform to new version of black

[tuix]

Description

Include a summary of this pull request

New dependencies: (Added to requirements_*.txt)

Fixes # (potential issues that are fixed by this PR)

Type of Change

• [x] Bug fix (non-breaking change which fixes an issue -> bump patch)
• [ ] New feature (non-breaking change which adds functionality -> bump minor version)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected -> bump major version)
• [ ] Documentation Update
• [ ] CI/CD workflows Update

Checklist

• [ ] I have added tests that prove that my fix/feature works
• [ ] Linters pass locally and I have followed PEP8 code style
• [ ] New and existing tests pass locally
• [ ] I have updated the documentation if needed
• [ ] I have commented hard-to-understand areas in the code

Requirements

• [ ] I have updated the MVG version

[codecov[bot]]

Codecov Report

Base: 72.14% // Head: 72.14% // No change to project coverage :thumbsup:

Coverage data is based on head (a4bba0b) compared to base (5a9e906). Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #196 +/- ## ======================================= Coverage 72.14% 72.14% ======================================= Files 11 11 Lines 858 858 ======================================= Hits 619 619 Misses 239 239 ``` | [Impacted Files](https://codecov.io/gh/vikinganalytics/mvg/pull/196?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=vikinganalytics) | Coverage Δ | | |---|---|---| | [mvg/mvg.py](https://codecov.io/gh/vikinganalytics/mvg/pull/196?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=vikinganalytics#diff-bXZnL212Zy5weQ==) | `88.38% <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=vikinganalytics). 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=vikinganalytics)

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