René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: test_save_figure_return seems flaky","articleBody":"### Bug summary\n\nWhen building on Fedora builders, I often get this failure, though it is not consistent and I've never had it happen locally.\n\n### Code for reproduction\n\n```Python\npytest tests/test_backend_qt.py -k test_save_figure_return\n```\n\n### Actual outcome\n\n```\n___________________________ test_save_figure_return ____________________________\n[gw2] linux -- Python 3.14.0 /usr/bin/python3\n\n    @pytest.mark.backend('QtAgg', skip_on_importerror=True)\n    def test_save_figure_return():\n        fig, ax = plt.subplots()\n        ax.imshow([[1]])\n        prop = \"matplotlib.backends.qt_compat.QtWidgets.QFileDialog.getSaveFileName\"\n        with mock.patch(prop, return_value=(\"foobar.png\", None)):\n            fname = fig.canvas.manager.toolbar.save_figure()\n\u003e           os.remove(\"foobar.png\")\nE           FileNotFoundError: [Errno 2] No such file or directory: 'foobar.png'\n\n../BUILDROOT/usr/lib64/python3.14/site-packages/matplotlib/tests/test_backend_qt.py:228: FileNotFoundError\n```\n\n### Expected outcome\n\nTests always pass.\n\n### Additional information\n\n_No response_\n\n### Operating system\n\n_No response_\n\n### Matplotlib Version\n\n3.10.6\n\n### Matplotlib Backend\n\n_No response_\n\n### Python version\n\n_No response_\n\n### Jupyter version\n\n_No response_\n\n### Installation\n\nfrom source (.tar.gz)","author":{"url":"https://github.com/QuLogic","@type":"Person","name":"QuLogic"},"datePublished":"2025-08-30T03:38:27.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/30493/matplotlib/issues/30493"}