René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Building docs broken with pillow 5.4","articleBody":"With the new release of `pillow` the following error occurs:\r\n\r\n```\r\ngenerating gallery for gallery/images_contours_and_fields... [100%] watermark_image.py\r\n\r\nTraceback (most recent call last):\r\n  File \"/home/circleci/.local/lib/python3.6/site-packages/sphinx/cmd/build.py\", line 303, in build_main\r\n    args.tags, args.verbosity, args.jobs, args.keep_going)\r\n  File \"/home/circleci/.local/lib/python3.6/site-packages/sphinx/application.py\", line 263, in __init__\r\n    self._init_builder()\r\n  File \"/home/circleci/.local/lib/python3.6/site-packages/sphinx/application.py\", line 325, in _init_builder\r\n    self.emit('builder-inited')\r\n  File \"/home/circleci/.local/lib/python3.6/site-packages/sphinx/application.py\", line 510, in emit\r\n    return self.events.emit(event, self, *args)\r\n  File \"/home/circleci/.local/lib/python3.6/site-packages/sphinx/events.py\", line 80, in emit\r\n    results.append(callback(*args))\r\n  File \"/home/circleci/.local/lib/python3.6/site-packages/sphinx_gallery/gen_gallery.py\", line 221, in generate_gallery_rst\r\n    seen_backrefs)\r\n  File \"/home/circleci/.local/lib/python3.6/site-packages/sphinx_gallery/gen_rst.py\", line 462, in generate_dir_rst\r\n    gallery_conf)\r\n  File \"/home/circleci/.local/lib/python3.6/site-packages/sphinx_gallery/gen_rst.py\", line 711, in generate_file_rst\r\n    save_thumbnail(image_path_template, src_file, file_conf, gallery_conf)\r\n  File \"/home/circleci/.local/lib/python3.6/site-packages/sphinx_gallery/gen_rst.py\", line 425, in save_thumbnail\r\n    scale_image(img, thumb_file, *gallery_conf[\"thumbnail_size\"])\r\n  File \"/home/circleci/.local/lib/python3.6/site-packages/sphinx_gallery/gen_rst.py\", line 386, in scale_image\r\n    img = img.resize((width_sc, height_sc), Image.BICUBIC)\r\n  File \"/home/circleci/.local/lib/python3.6/site-packages/PIL/Image.py\", line 1800, in resize\r\n    im = self.convert(self.mode[:-1]+'a')\r\n  File \"/home/circleci/.local/lib/python3.6/site-packages/PIL/Image.py\", line 915, in convert\r\n    self.load()\r\n  File \"/home/circleci/.local/lib/python3.6/site-packages/PIL/ImageFile.py\", line 250, in load\r\n    self.load_end()\r\n  File \"/home/circleci/.local/lib/python3.6/site-packages/PIL/PngImagePlugin.py\", line 677, in load_end\r\n    self.png.call(cid, pos, length)\r\n  File \"/home/circleci/.local/lib/python3.6/site-packages/PIL/PngImagePlugin.py\", line 140, in call\r\n    return getattr(self, \"chunk_\" + cid.decode('ascii'))(pos, length)\r\n  File \"/home/circleci/.local/lib/python3.6/site-packages/PIL/PngImagePlugin.py\", line 356, in chunk_IDAT\r\n    raise EOFError\r\nEOFError\r\n\r\nException occurred:\r\n  File \"/home/circleci/.local/lib/python3.6/site-packages/PIL/PngImagePlugin.py\", line 356, in chunk_IDAT\r\n    raise EOFError\r\nEOFError\r\nThe full traceback has been saved in /tmp/sphinx-err-f0iznxik.log, if you want to report the issue to the developers.\r\nPlease also report this if it was a user error, so that a better error message can be provided next time.\r\nA bug report can be filed in the tracker at \u003chttps://github.com/sphinx-doc/sphinx/issues\u003e. Thanks!\r\nMakefile:30: recipe for target 'html' failed\r\nmake: *** [html] Error 2\r\nExited with code 2\r\n```\r\n\r\nIt looks like some problem with saving a `.png` file somewhere along the way - maybe an issue with `sphinx_gallery`?","author":{"url":"https://github.com/dstansby","@type":"Person","name":"dstansby"},"datePublished":"2019-01-02T15:29:26.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/13079/matplotlib/issues/13079"}