Guix gtypist recipe that doesn't work.

(use-modules (guix packages)
             (guix download)
             (guix build-system gnu)
             (guix licenses))

(define gtypist
  (package
    (name "gtypist")
    (version "2.9.4")
    (source (origin
             (method url-fetch)
             (uri (string-append "mirror://gnu/gtypist-" version
                                 ".tar.gz"))
             (sha256
              (base32 "i5q225g6twsg5egicgpt6ub7hn4m7pdzg56hwxx57jm4o4ns5fgq"))))
    (build-system gnu-build-system)
    (inputs `(("perl" ,perl)))
    (inputs `(("ncurses" ,ncurses)))
    (synopsis "GNU Typist")
    (description "The official GNU software to help improve your typing.")
    (home-page "http://www.gnu.org/software/gtypist/")
    (license gpl3+)))