Ran black formatter

[sandrahoang686]

Summary:

• What did I do?
• Ran black formatter
• Why *** did I do it? (What was the motivation?)
• Clean up all files

• How *** can someone test or demo my changes?

  * When relevant, use screenshots to document**

Fixes or Addresses Issue #: [ticket number & link]

Checklist before requesting a review:

• [ ] My code follows the guidelines of this project
• [ ] I performed a self-review of my code changes
• [ ] I have completed spell-checking, removed unnecessary print statements & commented-out code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [ ] New and existing unit tests pass locally with my changes