* guix/import/hackage.scm (hackage->guix-package): Remove call to 'memoize'.
(hackage->guix-package/m): New procedure.
(hackage-recursive-import): Use it.
* tests/hackage.scm ("hackage->guix-package test 6"): Adjust.
Co-authored-by: Robert Vollmert <rob@vllmrt.net>