Hi I’m trying to install fenicsx for the first time and get it working. I’ve installed it on a conda environment in an ubuntu subsystem on a windows machine. I’m working in VSCode and VScode is running the virtual ubuntu machine without difficulty. However, when I try to inport the the dolfinx mod…

This usually means that you have installed conflicting packages. This usually happens when you try to install both legacy dolfin and dolfinx in the same environment. Please provide the output of conda env export and the full traceback of your error message. It would also be helpful to see what lin…

Thanks for getting back so quickly. In response to your questions The output of conda env export is name: fenicsx-env channels: conda-forge defaults dependencies: _libgcc_mutex=0.1=conda_forge _openmp_mutex=4.5=2_gnu aiohttp=3.9.3=py312h98912ed_1 aiosignal=1.3.1=pyhd8ed1ab_0 alsa-lib=1.2.11=hd…

Cant spot anything right away. Could you try python3 -c "import ufl; print(ufl);print(ufl.__version__)" and post the output?

Just to give an update: this issue persists if using a standard python file in vscode (running the virtual ubuntu environment), but if I launch a Jupyter Notebook from the same ubuntu environment, I can run the Poisson example without issue.

I believe there is a persistent bug in vscode environment activation where it can corrupt some environment variables relevant to fenics. I’m not sure that’s relevant here or not, but you might try: import os for key in sorted(os.environ): if any(s in key for s in ("PYTHON", "CONDA", "FLAGS", "…

Yeah, I was having the exact same problem, except that my error was dolfinx not having an attribute of ‘qualname’. I’m trying out the Jupyter notebook soon. It is surely a puzzling error. Have you had any successes?

Difficulty getting fenics working

General

francesco-ballarin August 1, 2024, 7:26am 9

Please search the forum: No attribute '__qualname__' due to mpi4py 4.0.0

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Difficulty getting fenics working

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