python test and git with grunt

Gruntfile.js

module.exports = function(grunt){
    grunt.initConfig({
        watch: {
            grunt: {
                files: ['Gruntfile.js']
            },
            python: {
                files : ['./tests/*.py','./*/*.py'],
                tasks: ['pythontest','gitst'],
            },
            gitindex: {
                files : ['.git/index'],
                tasks: ['gitst'],
            },
        }
    });

    grunt.loadNpmTasks('grunt-contrib-watch');

    grunt.registerTask('pythontest', function(){
        grunt.util.spawn({
            cmd: 'python',
            args: ['setup.py','test'],
            opts: {stdio: 'inherit'},
        });
    });

    grunt.registerTask('gitst', function(){
        grunt.util.spawn({
            cmd: 'git',
            args: ['status'],
            opts: {stdio: 'inherit'},
        });
    });

    grunt.registerTask('default', ['watch']);

};

package.json

{
  "name": "pythontest",
  "version": "0.0.1",
  "devDependencies": {
    "grunt": "^0.4.5",
    "grunt-contrib-watch": "^0.6.1"
  }
}