All Submissions:

• Have you followed the guidelines in our Contributing document?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?
• Have you added an explanation of what your changes do and why you'd like us to include them?

Code changes:

• Did you format your code with Black?
  • black getmac tests
• Are the linting checks passing?
  • tox -e check
• Do all tests pass locally?
  • tox
• Have you updated the CHANGELOG with a summary of your change?
• Did you add your name to the contributors list in the README?

Summary of changes:

• Implemented Code Quality Test Suite fixes as described in Tox code quality checks fail on clean clone of repo #66
• Re-formatted def _arping_habets(host) on line 393 to align with Black formatting guidelines