Replacing auto pep8

[shimwell]

Proposed changes

improved method of pep8 formatting

can be duplicated locally
popular formatter (black)
skips CI on new commits

Types of changes

• Bugfix (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)
• Code refactoring
• Documentation Update (if none of the other choices apply)
• New tests

Checklist

• Pep8 applied
• Unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

[codecov]

Codecov Report

Merging #126 (15bcbce) into develop (4f720ec) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop     #126   +/-   ##
========================================
  Coverage    97.73%   97.73%           
========================================
  Files           76       76           
  Lines         4689     4689           
========================================
  Hits          4583     4583           
  Misses         106      106           

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