René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: Unable to install matplotlib (editable mode) in Github Codespace","articleBody":"### Bug summary\n\nRunning the [instructions](https://matplotlib.org/devdocs/devel/development_setup.html#install-matplotlib-in-editable-mode) to install Matplotlib in editable mode and verify installation while in Github Codespace leads to an error: \n`ImportError: /workspaces/matplotlib/build/cp312/src/_path.cpython-312-x86_[64-linux-gnu.so](http://64-linux-gnu.so/): undefined symbol: _ZN3agg10curve3_div4initEdddddd`\n\n### Code for reproduction\n\n```Python\npython -m pip install --no-build-isolation --config-settings=editable-verbose=true --editable .\n```\n\n### Actual outcome\n\n```\n(mpl-dev) @thedatacurious ➜ /workspaces/matplotlib (doc-branch) $ pip install --no-build-isolation --config-settings=editable-verbose=true --editable .\nObtaining file:///workspaces/matplotlib\n  Checking if build backend supports build_editable ... done\n  Preparing editable metadata (pyproject.toml) ... done\nRequirement already satisfied: contourpy\u003e=1.0.1 in /home/codespace/.local/lib/python3.12/site-packages (from matplotlib==0.1.0.dev52213+g5d722a9) (1.3.1)\nRequirement already satisfied: cycler\u003e=0.10 in /home/codespace/.local/lib/python3.12/site-packages (from matplotlib==0.1.0.dev52213+g5d722a9) (0.12.1)\nRequirement already satisfied: fonttools\u003e=4.22.0 in /home/codespace/.local/lib/python3.12/site-packages (from matplotlib==0.1.0.dev52213+g5d722a9) (4.55.3)\nRequirement already satisfied: kiwisolver\u003e=1.3.1 in /home/codespace/.local/lib/python3.12/site-packages (from matplotlib==0.1.0.dev52213+g5d722a9) (1.4.7)\nRequirement already satisfied: numpy\u003e=1.23 in /home/codespace/.local/lib/python3.12/site-packages (from matplotlib==0.1.0.dev52213+g5d722a9) (2.2.0)\nRequirement already satisfied: packaging\u003e=20.0 in /home/codespace/.local/lib/python3.12/site-packages (from matplotlib==0.1.0.dev52213+g5d722a9) (24.2)\nRequirement already satisfied: pillow\u003e=9 in /home/codespace/.local/lib/python3.12/site-packages (from matplotlib==0.1.0.dev52213+g5d722a9) (11.0.0)\nRequirement already satisfied: pyparsing\u003e=2.3.1 in /home/codespace/.local/lib/python3.12/site-packages (from matplotlib==0.1.0.dev52213+g5d722a9) (3.2.0)\nRequirement already satisfied: python-dateutil\u003e=2.7 in /home/codespace/.local/lib/python3.12/site-packages (from matplotlib==0.1.0.dev52213+g5d722a9) (2.9.0.post0)\nRequirement already satisfied: six\u003e=1.5 in /home/codespace/.local/lib/python3.12/site-packages (from python-dateutil\u003e=2.7-\u003ematplotlib==0.1.0.dev52213+g5d722a9) (1.17.0)\nBuilding wheels for collected packages: matplotlib\n  Building editable for matplotlib (pyproject.toml) ... done\n  Created wheel for matplotlib: filename=matplotlib-0.1.0.dev52213+g5d722a9-cp312-cp312-linux_x86_64.whl size=10310 sha256=7ac60e5ad72b00ceaf9fc1f3dbc55e5979f22ecff0a418b2e2cc1d718ff878fc\n  Stored in directory: /tmp/pip-ephem-wheel-cache-8w0d3c06/wheels/12/a2/a8/efadc28c14fa1750547f26b6cb4f3e357cd1fa0797dc7e1949\nSuccessfully built matplotlib\nInstalling collected packages: matplotlib\n  Attempting uninstall: matplotlib\n    Found existing installation: matplotlib 0.1.0.dev52212+g8eb6289\n    Uninstalling matplotlib-0.1.0.dev52212+g8eb6289:\n      Successfully uninstalled matplotlib-0.1.0.dev52212+g8eb6289\nERROR: pip's dependency resolver does not currently take into account all the packages that are installed. This behaviour is the source of the following dependency conflicts.\nseaborn 0.13.2 requires matplotlib!=3.6.1,\u003e=3.4, but you have matplotlib 0.1.0.dev52213+g5d722a9 which is incompatible.\nSuccessfully installed matplotlib-0.1.0.dev52213+g5d722a9\n(mpl-dev) @thedatacurious ➜ /workspaces/matplotlib (doc-branch) $ python -c \"import matplotlib; print(matplotlib.__file__)\"\nTraceback (most recent call last):\n  File \"\u003cstring\u003e\", line 1, in \u003cmodule\u003e\n  File \"/workspaces/matplotlib/lib/matplotlib/__init__.py\", line 161, in \u003cmodule\u003e\n    from . import _api, _version, cbook, _docstring, rcsetup\n  File \"/workspaces/matplotlib/lib/matplotlib/rcsetup.py\", line 28, in \u003cmodule\u003e\n    from matplotlib.colors import Colormap, is_color_like\n  File \"/workspaces/matplotlib/lib/matplotlib/colors.py\", line 57, in \u003cmodule\u003e\n    from matplotlib import _api, _cm, cbook, scale, _image\n  File \"/workspaces/matplotlib/lib/matplotlib/scale.py\", line 39, in \u003cmodule\u003e\n    from matplotlib.ticker import (\n  File \"/workspaces/matplotlib/lib/matplotlib/ticker.py\", line 144, in \u003cmodule\u003e\n    from matplotlib import transforms as mtransforms\n  File \"/workspaces/matplotlib/lib/matplotlib/transforms.py\", line 49, in \u003cmodule\u003e\n    from matplotlib._path import affine_transform, count_bboxes_overlapping_bbox\nImportError: /workspaces/matplotlib/build/cp312/src/_path.cpython-312-x86_64-linux-gnu.so: undefined symbol: _ZN3agg10curve3_div4initEdddddd\n```\n\n### Expected outcome\n\n`python -c \"import matplotlib; print(matplotlib.__file__)\" ` \nshould return : \n`\u003cmatplotlib_local_repo\u003e\\lib\\matplotlib\\__init__.py`\n\n### Additional information\n\n@story645 is able to replicate the issue\n\n### Operating system\n\n_No response_\n\n### Matplotlib Version\n\nUnable to get version, running the prompt returns the same Import Error message\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\npip","author":{"url":"https://github.com/thedatacurious","@type":"Person","name":"thedatacurious"},"datePublished":"2025-04-01T18:23:59.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/29852/matplotlib/issues/29852"}