bug#62114: Elpy fails to start within a guix shell environment

[Maxim Cournoyer]

Hi,

Rafa Gálvez <rafa@artificialphilosopher.eu> writes:

> Hi,
>
>  I can't make Elpy work. In my main profile I have emacs-elpy installed,
>  but whenever I open a .py file, there is an error on the sentinel:
>  error in process sentinel: elpy-promise-reject: peculiar error: "exited
>  abnormally with code 1"
>  error in process sentinel: peculiar error: "exited abnormally with code
>  1"
>
>  This is most probably caused by the lack of the elpy python module in
>  the guix shell I'm running Emacs from. However, there is no python-elpy
>  package to install. I am avoiding setting up a virtualenv in order to
>  rely completely on Guix manifests for reproducibility purposes.
>
>  Maybe what's just needed is to package https://pypi.org/project/elpy/
>  into Guix?

Could you please share a minimal reproducer?  The Python files are
included with the emacs-elpy package (those under:
https://github.com/jorgenschaefer/elpy/tree/master/elpy).

See 'guix edit emacs-elpy' for the details.

-- 
Thanks,
Maxim