pip compile error: error: invalid conversion from ‘PyObject*’ {aka ‘_object*’} to ‘int’ [-fpermissive] about dscribe HOT 4 CLOSED

Thanks Jan! I will do this.

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This is now fixed in 0.3.5, and python3.8 was added as a new test environment in the DScribe CI.

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Hi @peterbjorgensen,

This issue is isolated to python 3.8. The fastest way to fix it for now is to use an older python version. Changing the python version should be easiest within a virtualenv.

The problem originates somewhere in the cython wrapper that is used. I will investigate further but can't promise a deadline for a python3.8 fix.

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@lauri-codes Can you regenerate https://github.com/SINGROUP/dscribe/blob/master/dscribe/libmbtr/mbtrwrapper.cpp ? - It was generated with cython 0.29.10 which is not Python 3.8 compatible, while https://github.com/SINGROUP/dscribe/blob/master/dscribe/libacsf/acsfwrapper.cpp which you already regenerated with cython 0.29.14 is Python 3.8 compatible. The current release of cython is 0.29.15 so it might even make sense to regenerate both with the latest version.

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