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Title: Deprecate backend_qt.qApp. by anntzer · Pull Request #22503 · matplotlib/matplotlib · GitHub

Open Graph Title: Deprecate backend_qt.qApp. by anntzer · Pull Request #22503 · matplotlib/matplotlib

X Title: Deprecate backend_qt.qApp. by anntzer · Pull Request #22503 · matplotlib/matplotlib

Description: This global has subtly different semantics from QtWidgets.QApplication.instance() (it is only updated when the private _create_qApp is called), and therefore seems not worth exposing. PR Summary PR Checklist Tests and Styling Has pytest style unit tests (and pytest passes). Is Flake 8 compliant (install flake8-docstrings and run flake8 --docstring-convention=all). Documentation New features are documented, with examples if plot related. 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). Documentation is sphinx and numpydoc compliant (the docs should build without error).

Open Graph Description: This global has subtly different semantics from QtWidgets.QApplication.instance() (it is only updated when the private _create_qApp is called), and therefore seems not worth exposing. PR Summary PR...

X Description: This global has subtly different semantics from QtWidgets.QApplication.instance() (it is only updated when the private _create_qApp is called), and therefore seems not worth exposing. PR Summary PR...

Opengraph URL: https://github.com/matplotlib/matplotlib/pull/22503

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32935fd Deprecate backend_qt.qApp. anntzer Feb 19, 2022 https://github.com/matplotlib/matplotlib/pull/22503/commits/32935fd7614ecf528b5a40c88ff25c70c79c620a
88377a3 TST: add test of qApp access warning tacaswell Mar 22, 2022 https://github.com/matplotlib/matplotlib/pull/22503/commits/88377a3b840ddcf2cdd7f5d078b7bdc7f00a634a
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