René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: Warning: Font Family not found","articleBody":"### Bug summary\n\nUsign Latex fonts as recommended here throws a Warning:\r\n\r\n```\r\nfindfont: Font family ['serif'] not found. Falling back to DejaVu Sans.\r\nfindfont: Generic family 'serif' not found because none of the following families were found: \r\n```\n\n### Code for reproduction\n\n```python\nimport matplotlib.pyplot as plt\r\n\r\nplt.rcParams.update({\r\n    \"font.family\": \"serif\",\r\n    # Use LaTeX default serif font.\r\n    \"font.serif\": [],\r\n    # Use specific cursive fonts.\r\n    \"font.cursive\": [\"Comic Neue\", \"Comic Sans MS\"],\r\n})\r\n\r\nplt.figure()\r\nplt.plot([1,2,3,4])\r\nplt.savefig('test.png')\r\nplt.savefig('test.pgf')\n```\n\n\n### Actual outcome\n\nThe Bug is also visible in your Docs.\r\nhttps://matplotlib.org/stable/gallery/userdemo/pgf_fonts.html\r\n\r\n\n\n### Expected outcome\n\nNo Warning should get thrown everytime\n\n### Operating system\n\nUbuntu\n\n### Matplotlib Version\n\n3.4.2\n\n### Matplotlib Backend\n\nTkAgg\n\n### Python version\n\n3.9.5\n\n### Jupyter version\n\n_No response_\n\n### Other libraries\n\n_No response_\n\n### Installation\n\npip\n\n### Conda channel\n\n_No response_","author":{"url":"https://github.com/FranzForstmayr","@type":"Person","name":"FranzForstmayr"},"datePublished":"2021-08-17T12:47:55.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":6},"url":"https://github.com/20850/matplotlib/issues/20850"}