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Plot nothing for incompatible 0 shape in x,y data #20530

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Merged
merged 2 commits into from
Jun 29, 2021

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dmatos2012
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PR Summary

This PR addresses issue #20452 which would raise ZeroDivisionError when 0 in data shape for plotting. Now, it "does nothing".

PR Checklist

  • Has pytest style unit tests (and pytest passes).
  • Is Flake 8 compliant (run flake8 on changed files to check).
  • New features are documented, with examples if plot related.
  • Documentation is sphinx and numpydoc compliant (the docs should build without error).
  • Conforms to Matplotlib style conventions (install flake8-docstrings and run flake8 --docstring-convention=all).
  • New features have an entry in doc/users/next_whats_new/ (follow instructions in README.rst there).
  • API changes documented in doc/api/next_api_changes/ (follow instructions in README.rst there).

lib/matplotlib/axes/_base.py Outdated Show resolved Hide resolved
@tacaswell
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Thanks for working on this @dmatos2012 !

Can you please add a test for this (the example from the original bug report and asserting the length of the returned list is 0 would be perfect). I would also like to see a test added (or point at an existing test) that this does not change the behavior for ax.plot([], []).

@dmatos2012
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Done @tacaswell! I put the test in tests/test_axes.py as there is were I found everything related to plots, but wasnt sure if it was the proper place to put them.

Thanks for the feedback!

@tacaswell tacaswell added this to the v3.5.0 milestone Jun 29, 2021
@QuLogic QuLogic merged commit a8832f6 into matplotlib:master Jun 29, 2021
@QuLogic
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QuLogic commented Jun 29, 2021

Thanks @dmatos2012 ! Congratulations on your first PR to Matplotlib 🎉 We hope to hear from you again.

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