(define-public qbittorrent   (package     (name "qbittorrent")     (version "4.2.5")     (source      (origin        (method git-fetch)        (uri (git-reference              (url "https://github.com/qbittorrent/qBittorrent")              (commit (string-append "release-" version))))        (file-name (git-file-name name version))        (sha256         (base32 "1n613ylg6i9gisgk0dbr2kpfasyizrkdjff1r8smd4vri2qrdksn"))))     (build-system gnu-build-system)     (arguments      `(#:configure-flags        (list (string-append "--with-boost-libdir="                             (assoc-ref %build-inputs "boost")                             "/lib")              "--enable-debug"              "QMAKE_LRELEASE=lrelease")        #:modules ((guix build gnu-build-system)                   (guix build qt-utils)                   (guix build utils))        #:imported-modules (,@%gnu-build-system-modules                            (guix build qt-utils))        #:phases        (modify-phases %standard-phases          (add-after 'install 'wrap-qt            (lambda* (#:key outputs inputs #:allow-other-keys)              (let ((out (assoc-ref outputs "out")))                (wrap-qt-program "qbittorrent" #:output out #:inputs inputs))              #t)))))     (native-inputs      (list pkg-config qttools))     (inputs      `(("boost" ,boost)        ("libtorrent-rasterbar" ,libtorrent-rasterbar)        ("openssl" ,openssl)     ;; NOTE(Krey): Max supported version declared in https://github.com/qbittorrent/qBittorrent/blob/5c0378a6845e3484023f4c76893ff9f0e5178460/src/base/utils/foreignapps.cpp#L269        ("python" ,python-wrapper)        ("qtbase" ,qtbase-5)        ("qtsvg" ,qtsvg)        ("zlib" ,zlib)))     (home-page "https://www.qbittorrent.org/")     (synopsis "Graphical BitTorrent client")     (description      "qBittorrent is a BitTorrent client programmed in C++/Qt that uses libtorrent (sometimes called libtorrent-rasterbar) by Arvid Norberg. It aims to be a good alternative to all other BitTorrent clients out there. qBittorrent is fast, stable and provides unicode support as well as many features.")     (license l:gpl2+))) I am trying to make a patch to fix https://github.com/qbittorrent/qBittorrent/issues/16139 which is caused by us using an unsupported python version -> How can i specify that the package is only allowed to use python 3.2 <= 3.5.0 ? -- Jacob Hrbek