fix notebook; re-add workflow

[jalving]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.55%. Comparing base (72b9f65) to head (024f526).
Report is 8 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #145   +/-   ##
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  Coverage   92.55%   92.55%           
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  Files          32       32           
  Lines        1948     1948           
  Branches      373      373           
=======================================
  Hits         1803     1803           
  Misses         74       74           
  Partials       71       71           

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[jezsadler]

The reformer_nn and reformer_nn_relu directories are generated when running notebooks. I've been excluding them from check-ins and I think that's the norm? But I see them here. (With Keras 3 they become single files so I would replace these in any case.)

[jalving]

Thanks for catching that. I went ahead and removed them from the PR.