Skip to content

Correct handle default backend. #19855

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Apr 3, 2021
Merged

Conversation

anntzer
Copy link
Contributor

@anntzer anntzer commented Apr 2, 2021

See comments in matplotlib/__init__.py and setup.py. Test
by updating your local repo to this branch and pip install git+file:///path/to/repo (doing so with the current master throws
ValueError: Key backend: '' is not a valid value for backend.

Closes #19848, see #19854 for an alternate approach, but see also #19854 (comment).

PR Summary

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).

See comments in `matplotlib/__init__.py` and `setup.py`.  Test
by updating your local repo to this branch and `pip install
git+file:///path/to/repo` (doing so with the current master throws
`ValueError: Key backend: '' is not a valid value for backend`.
@anntzer anntzer added Release critical For bugs that make the library unusable (segfaults, incorrect plots, etc) and major regressions. topic: rcparams Build labels Apr 2, 2021
@anntzer anntzer added this to the v3.5.0 milestone Apr 2, 2021
@tacaswell tacaswell mentioned this pull request Apr 2, 2021
3 tasks
@tacaswell
Copy link
Member

This is a better solution that what I proposed.

@anntzer
Copy link
Contributor Author

anntzer commented Apr 2, 2021

PS: I would still like to deprecate letting the packager set the default backend (perhaps I should just have quietly left it broken ;-)), but we can discuss that on another thread, perhaps.

@dstansby dstansby merged commit 906cae4 into matplotlib:master Apr 3, 2021
@anntzer anntzer deleted the defaultbackend branch April 3, 2021 12:48
@pllim
Copy link

pllim commented Apr 3, 2021

This works for our CI downstream. Thanks for the quick fix!

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
Build Release critical For bugs that make the library unusable (segfaults, incorrect plots, etc) and major regressions. topic: rcparams
Projects
None yet
Development

Successfully merging this pull request may close these issues.

ValueError: Key backend: '' is not a valid value for backend
4 participants