blacking and fixing most flake8 errors

[dsavransky]

Describe your changes

The entire codebase has been blacked and flake8 style errors have been fixed for everything except for tests, utils, and some schedulers (TBC).

Type of change

• Bug fix (non-breaking change which fixes an issue)

Checklist before requesting a review

• [x] I have verified that all unit tests pass in a clean virtual environment and added new unit tests, as needed
• [x] I have run e2eTests and added new test scripts, as needed
• [x] I have verified that all docstrings are properly formatted and added new documentation, as needed
• [x] I have Blackened my code