pre-commit config updates for jupyter notebooks and flake8 W503

[atong01]

What does this PR do?

Fixes #434

Before submitting

• Did you make sure title is self-explanatory and the description concisely explains the PR?
• Did you make sure your PR does only one thing, instead of bundling different changes together?
  Could be separated into two PRs, but very small changes.
• Did you list all the breaking changes introduced by this pull request?
• Did you test your PR locally with pytest command?
• Did you run pre-commit hooks with pre-commit run -a command?

Did you have fun?

Make sure you had fun coding 🙃

[codecov-commenter]

Codecov Report

Base: 84.59% // Head: 84.59% // No change to project coverage 👍

Coverage data is based on head (8d1beb3) compared to base (a98ead1).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #435   +/-   ##
=======================================
  Coverage   84.59%   84.59%           
=======================================
  Files           9        9           
  Lines         344      344           
=======================================
  Hits          291      291           
  Misses         53       53           

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[ashleve]

Thanks a lot for looking into this and making a PR! These are very welcomed improvements for pre-commit.

[ashleve]

Added a small explanation comment to nbQA

[ashleve]

@atong01 Merged! Thank you for the contribution :)