René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: Import Error in Matplotlib 3.5.1","articleBody":"### Bug summary\n\nCannot create a `matplotlib.ticker.ScalarFormatter()` without importing \"unnecessary\" imports.\n\n### Code for reproduction\n\n```python\nimport matplotlib\r\nprint(matplotlib.__version__)\r\nimport matplotlib.ticker\r\nmatplotlib.ticker.ScalarFormatter()\r\n```\n```\n\n\n### Actual outcome\n\n```---------------------------------------------------------------------------\r\nAttributeError                            Traceback (most recent call last)\r\nInput In [1], in \u003cmodule\u003e\r\n      2 print(matplotlib.__version__)\r\n      3 import matplotlib.ticker\r\n----\u003e 4 matplotlib.ticker.ScalarFormatter()\r\n\r\nFile /usr/lib/python3.10/site-packages/matplotlib/ticker.py:444, in ScalarFormatter.__init__(self, useOffset, useMathText, useLocale)\r\n    442 if useMathText is False:\r\n    443     try:\r\n--\u003e 444         ufont = mpl.font_manager.findfont(\r\n    445             mpl.font_manager.FontProperties(\r\n    446                 mpl.rcParams[\"font.family\"]\r\n    447             ),\r\n    448             fallback_to_default=False,\r\n    449         )\r\n    450     except ValueError:\r\n    451         ufont = None\r\n\r\nFile /usr/lib/python3.10/site-packages/matplotlib/_api/__init__.py:222, in caching_module_getattr.\u003clocals\u003e.__getattr__(name)\r\n    220 if name in props:\r\n    221     return props[name].__get__(instance)\r\n--\u003e 222 raise AttributeError(\r\n    223     f\"module {cls.__module__!r} has no attribute {name!r}\")\r\n\r\nAttributeError: module 'matplotlib' has no attribute 'font_manager'\r\n```\n\n### Expected outcome\n\nshould run without error **as in previous versions.**\n\n### Additional information\n\nAs a workaround just execute the following command before creating the ScalarFormatter\r\n```\r\nimport matplotlib.font_manager\r\n```\n\n### Operating system\n\nArch Linux\n\n### Matplotlib Version\n\n3.5.1\n\n### Matplotlib Backend\n\nmodule://matplotlib_inline.backend_inline\n\n### Python version\n\n3.10.2\n\n### Jupyter version\n\n3.2.8 (dev), 3.0.16 (app)\n\n### Installation\n\nLinux package manager","author":{"url":"https://github.com/skuschel","@type":"Person","name":"skuschel"},"datePublished":"2022-01-24T18:07:27.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/22305/matplotlib/issues/22305"}