Update: Problem solved. Created a env with intel86_64 with  
```CONDA_SUBDIR=osx-64 conda create -n kwant-intel python=3.10 -y`` and then 
followed through all the instructions, and now the problem is gone. I guess 
there are some incompatibilities with M1 silicon to use ```mumps``` or 
```OpenBLAS```

Thanks very much.

On Apr 27, 2025, at 19:25, Li Jingyi <explorertank1...@hotmail.com> wrote:

Dear Kwant dev/maintaining group:

I was trying to use kwant for setting up a small simulation with many body 
interaction in tunneling junctions. However the first step I tried importing 
kwant with

‘import kwant’

I encountered the kernel crushing with the following message :



And when i tried to test ```python -c "import kwant; print('Success’)``` it 
returns ```zsh: abort      python -c "import kwant; print('Success’)”````` 
which suggestes mismatched libraries. I tried other ways such as build from 
sources but all kind of did not work very well and the kernel keep crushing, 
and trying to run

I am currently using MacBook Apple M1 MacOS 15.3.2 (24D81),

I need some further instructions and help on how to proceed to install kwant 
and use it on my system.

Best
Jingyi

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