On Fri, Sep 10 2021, Daniel Meißner via Guix-patches via wrote:

> * gnu/packages/python-xyz.scm (python-multipledispatch): New variable.
> ---
>  gnu/packages/python-xyz.scm | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
>
> diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
> index e1e676490b..0102dbc4bb 100644
> --- a/gnu/packages/python-xyz.scm
> +++ b/gnu/packages/python-xyz.scm
> @@ -18957,6 +18957,26 @@ quality, with less code written.  The majority of the moderngl code base is
>  also written in C++ for high performance.")
>      (license license:expat)))
>  
> +(define-public python-multipledispatch
> +  (package
> +    (name "python-multipledispatch")
> +    (version "0.6.0")
> +    (source
> +     (origin
> +       (method url-fetch)
> +       (uri (pypi-uri "multipledispatch" version))
> +       (sha256
> +        (base32
> +         "1slblghfjg9fdi9zpd7gmrkvfbv20nrdgnrymcnbky8bzm8i9ax7"))))
> +    (build-system python-build-system)
> +    (propagated-inputs `(("python-six" ,python-six)))
> +    (home-page
> +     "https://github.com/mrocklin/multipledispatch/")

No need for a newline.

> +    (synopsis "Multiple dispatch library for Python")
> +    (description "This library defines a decorator that makes dispatching on
> +types more concise to write. ")
                               ^
Trailing whitespace; ‘guix lint’ should have caught this.  :-)

> +    (license license:bsd-3)))
> +
>  (define-public python-pyglet
>    (package
>      (name "python-pyglet")
> -- 
> 2.33.0