cligh: switch to Python 3

pkgs/development/tools/github/cligh/default.nix

···
-{ stdenv, fetchFromGitHub, pythonPackages }:
+{ stdenv, fetchFromGitHub, buildPythonApplication, pyxdg, PyGithub }:
 
-pythonPackages.buildPythonApplication rec {
+buildPythonApplication rec {
   name = "cligh-${version}";
   version = "0.3";
 
···
     sha256 = "0d1fd78rzl2n75xpmy1gnxh1shvcs4qm0j4qqszqvfriwkg2flxn";
   };
 
-  propagatedBuildInputs = with pythonPackages; [ pyxdg PyGithub ];
+  propagatedBuildInputs = [ pyxdg PyGithub ];
 
   meta = with stdenv.lib; {
     homepage = http://the-brannons.com/software/cligh.html;

pkgs/top-level/all-packages.nix

···
 
   clfswm = callPackage ../applications/window-managers/clfswm { };
 
-  cligh = callPackage ../development/tools/github/cligh {};
+  cligh = python3Packages.callPackage ../development/tools/github/cligh {};
 
   clipgrab = callPackage ../applications/video/clipgrab { };