On 01-07-2022 23:32, Giacomo Leidi via Guix-patches via wrote:
> * gnu/packages/check.scm (python-coverage-5.5): New variable.
> ---
>   gnu/packages/check.scm | 13 +++++++++++++
>   1 file changed, 13 insertions(+)
>
> diff --git a/gnu/packages/check.scm b/gnu/packages/check.scm
> index 6ad2b1acd8..f2871690a5 100644
> --- a/gnu/packages/check.scm
> +++ b/gnu/packages/check.scm
> @@ -38,6 +38,7 @@
>   ;;; Copyright © 2020, 2021, 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>
>   ;;; Copyright © 2021 Hugo Lecomte <hugo.lecomte@inria.fr>
>   ;;; Copyright © 2022 Maxime Devos <maximedevos@telenet.be>
> +;;; Copyright © 2022 Giacomo Leidi <goodoldpaul@autistici.org>
>   ;;;
>   ;;; This file is part of GNU Guix.
>   ;;;
> @@ -1745,6 +1746,18 @@ (define-public python-coverage
>   executed.")
>       (license license:bsd-3)))
>   
> +(define-public python-coverage-5.5
> +  (package
> +    (inherit python-coverage)
> +    (version "5.5")
> +    (source
> +     (origin
> +       (method url-fetch)
> +       (uri (pypi-uri "coverage" version))
> +       (sha256
> +        (base32
> +         "0b112ly7vvplvm9l411aqknxhr7fzfyp28xhflhkcx78l3lqzrzb"))))))
> +

Why not update the already-existing python-coverage package? Then all 
users of that package would benefit and propagation conflicts would be 
avoided.

Greetings,
Maxime.