debian: Fix dependencies to require python3 variants.

debian/control

@@ -2,22 +2,21 @@ Source: mintmenu
 Section: admin
 Priority: optional
 Maintainer: Clement Lefebvre <root@linuxmint.com>
-Build-Depends: debhelper (>= 9), python, dh-python,
+Build-Depends: debhelper (>= 9), python3, dh-python,
 Standards-Version: 3.9.5
 
 Package: mintmenu
 Architecture: all
 Depends:
- ${python:Depends},
  ${misc:Depends},
  mint-common,
- python (>= 2.4), python (<< 3),
- python-apt,
- python-configobj,
- python-gi-cairo,
- python-setproctitle,
- python-xlib,
- python-xdg,
+ python3,
+ python3-apt,
+ python3-configobj,
+ python3-gi-cairo,
+ python3-setproctitle,
+ python3-xlib,
+ python3-xdg,
  python3-xapp,
  python3-xlib,
  xdg-utils,

debian/postinst

@@ -19,7 +19,7 @@ set -e
 case "$1" in
     configure)
         glib-compile-schemas /usr/share/glib-2.0/schemas
-        python -m compileall -qf /usr/lib/linuxmint/mintMenu/
+        python3 -m compileall -qf /usr/lib/linuxmint/mintMenu/
     ;;
 
     abort-upgrade|abort-remove|abort-deconfigure)