gnu: granite: Update to 6.2.0 and add python to native inputs.

* gnu/packages/pantheon.scm (granite)[phases]: Delete trailing #t.
[inputs]: Use new style.
[native-inputs]: Likewise and add python.

gnu/packages/pantheon.scm

@@ -26,6 +26,7 @@ (define-module (gnu packages pantheon)
   #:use-module (gnu packages gtk)
   #:use-module (gnu packages package-management)
   #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages python)
   #:use-module (gnu packages xml)
   #:use-module (gnu packages)
   #:use-module (guix build-system meson)
@@ -37,7 +38,7 @@ (define-module (gnu packages pantheon)
 (define-public granite
   (package
     (name "granite")
-    (version "5.5.0")
+    (version "6.2.0")
     (source (origin
               (method git-fetch)
               (uri (git-reference
@@ -46,24 +47,16 @@ (define-public granite
               (file-name (git-file-name name version))
               (sha256
                (base32
-                "13qfhq8xndikk6kmybibs6a4ddyp6mhvbsp2yy4qr7aiiyxf7mna"))))
+                "0ilslmg63hh2x7h5rvs3mhzw1y9ixhhkqnn1j1lzwm12v2iidkaq"))))
     (build-system meson-build-system)
     (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'disable-icon-cache
-           (lambda _
-             (setenv "DESTDIR" "/")
-             #t)))))
-    (inputs
-     `(("glib" ,glib)
-       ("gtk" ,gtk+)
-       ("libgee" ,libgee)))
-    (native-inputs
-     `(("gettext" ,gettext-minimal)
-       ("gobject-introspection" ,gobject-introspection)
-       ("pkg-config" ,pkg-config)
-       ("vala" ,vala)))
+     `(#:phases (modify-phases %standard-phases
+                  (add-after 'unpack 'disable-icon-cache
+                    (lambda _
+                      (setenv "DESTDIR" "/"))))))
+    (inputs (list glib gtk+ libgee))
+    (native-inputs (list gettext-minimal gobject-introspection pkg-config
+                         python vala))
     (home-page "https://github.com/elementary/granite")
     (synopsis "Library that extends GTK with common widgets and utilities")
     (description "Granite is a companion library for GTK+ and GLib.  Among other