Correct handle default backend.#19855
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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`.
tacaswell
approved these changes
Apr 2, 2021
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This is a better solution that what I proposed. |
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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
approved these changes
Apr 3, 2021
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This works for our CI downstream. Thanks for the quick fix! |
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See comments in
matplotlib/__init__.pyandsetup.py. Testby updating your local repo to this branch and
pip install git+file:///path/to/repo(doing so with the current master throwsValueError: Key backend: '' is not a valid value for backend.Closes #19848, see #19854 for an alternate approach, but see also #19854 (comment).
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pytestpasses).flake8on changed files to check).flake8-docstringsand runflake8 --docstring-convention=all).doc/users/next_whats_new/(follow instructions in README.rst there).doc/api/next_api_changes/(follow instructions in README.rst there).