matplotlib__matplotlib-23562
Based on my knowledge of matplotlib's codebase and the issue description, I can create the patch. The issue is that Poly3DCollection.get_facecolors() and get_edgecolors() methods try to access _facecolors2d and _edgecolors2d attributes…
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Based on my knowledge of matplotlib's codebase and the issue description, I can create the patch. The issue is that `Poly3DCollection.get_facecolors()` and `get_edgecolors()` methods try to access `_facecolors2d` and `_edgecolors2d` attributes that are only set during the drawing process in `do_3d_projection()`.
The fix is to modify these getter methods to handle the case where these attributes don't exist yet by either:
1. Calling `do_3d_projection()` to force computation, or
2. Falling back to the parent class implementation
Based on the hints in the issue (especially the comment about `fi
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