Reference correct DataFrame in to_pickle

[vinegar-tom]

The DataFrame without the changes made to it was passed to_pickle, causing the user to save the wrong data in the file.

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Please briefly summarise the changes made in the pull request, and the reason(s) for making these changes.
The DataFrame without the changes made to it was passed to_pickle, causing the user to save the wrong data in the file. When I did this and then read the pickle in the next episode, I had loaded the wrong data.

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[github-actions]

Thank you!

Thank you for your pull request 😃

🤖 This automated message can help you check the rendered files in your submission for clarity. If you have any questions, please feel free to open an issue in {sandpaper}.

If you have files that automatically render output (e.g. R Markdown), then you should check for the following:

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Rendered Changes

🔍 Inspect the changes: https://github.com/LibraryCarpentry/lc-python-intro/compare/md-outputs..md-outputs-PR-146

The following changes were observed in the rendered markdown documents:

 data-visualisation.md | 4 ----
 md5sum.txt            | 4 ++--
 tidy.md               | 2 +-
 3 files changed, 3 insertions(+), 7 deletions(-)

What does this mean?

If you have source files that require output and figures to be generated (e.g. R Markdown), then it is important to make sure the generated figures and output are reproducible.

This output provides a way for you to inspect the output in a diff-friendly manner so that it's easy to see the changes that occur due to new software versions or randomisation.

⏱️ Updated at 2024-11-05 16:53:26 +0000

[chennesy]

@vinegar-tom Nice catch! thanks.