René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: Systematic test failures with ubuntu-22.04-arm pipeline","articleBody":"### Bug summary\n\n```\n__________________________ test_errorbar_limits[svg] ___________________________\n[gw2] linux -- Python 3.12.8 /opt/hostedtoolcache/Python/3.12.8/arm64/bin/python\n\nargs = ()\nkwds = {'extension': 'svg', 'request': \u003cFixtureRequest for \u003cFunction test_errorbar_limits[svg]\u003e\u003e}\n\n    @wraps(func)\n    def inner(*args, **kwds):\n        with self._recreate_cm():\n\u003e           return func(*args, **kwds)\nE           matplotlib.testing.exceptions.ImageComparisonFailure: images not close (RMS 0.002):\nE           \tresult_images/test_axes/errorbar_limits_svg.png\nE           \tresult_images/test_axes/errorbar_limits-expected_svg.png\nE           \tresult_images/test_axes/errorbar_limits_svg-failed-diff.png\n\n/opt/hostedtoolcache/Python/3.12.8/arm64/lib/python3.12/contextlib.py:81: ImageComparisonFailure\n```\n\nand \n\n```\n_____________________________ test_get_font_names ______________________________\n[gw3] linux -- Python 3.12.8 /opt/hostedtoolcache/Python/3.12.8/arm64/bin/python\n\n    @pytest.mark.skipif(sys.platform == 'win32', reason='Linux or OS only')\n    def test_get_font_names():\n        paths_mpl = [cbook._get_data_path('fonts', subdir) for subdir in ['ttf']]\n        fonts_mpl = findSystemFonts(paths_mpl, fontext='ttf')\n        fonts_system = findSystemFonts(fontext='ttf')\n        ttf_fonts = []\n        for path in fonts_mpl + fonts_system:\n            try:\n                font = ft2font.FT2Font(path)\n                prop = ttfFontProperty(font)\n                ttf_fonts.append(prop.name)\n            except Exception:\n                pass\n        available_fonts = sorted(list(set(ttf_fonts)))\n        mpl_font_names = sorted(fontManager.get_font_names())\n\u003e       assert set(available_fonts) == set(mpl_font_names)\nE       AssertionError: assert {'C059', 'D05...ns Mono', ...} == {'C059', 'D05...ns Mono', ...}\nE         \nE         Extra items in the right set:\nE         'Liberation Serif'\nE         'Liberation Sans Narrow'\nE         'Liberation Sans'\nE         'Liberation Mono'\n[...]\n```\n\n","author":{"url":"https://github.com/timhoffm","@type":"Person","name":"timhoffm"},"datePublished":"2025-01-20T11:12:23.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/29489/matplotlib/issues/29489"}