* Tighten up psf/black and flake8
* Fix some tests
* Fix some E741
* Fix some E741
* updating DIRECTORY.md
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
* Fixes in methods and tests
* Renamed tests.py to test_linear_algebra.py
* removed force_test()
* Delete test_linear_algebra.py
* Format code with psf/black
* Rename tests.py to test_linear_algebra.py
* Added determinate function
* Changed determinate function name
* Changed instance of .det() to .determinate()
* Added force_test() function
* Update tests.py