             ]
             ['==',['get','foo'],100]
           ]
-      expect(scope(ast)).to.eql commands: 
-        [        
+      expect(scope(ast)).to.eql commands:
+        [
           ['rule',['.','box'],
             [
               ['==',['get',['^'],'foo'],100]

          ]
          ['==',['get','foo'],100]
        ]
  
    it 'hoist 2 level before', ->
      ast =
        commands:

            ]
            ['==',['get','foo'],0]
          ]
      expect(scope(ast)).to.eql commands:
        [
          ['rule',['.','box'],
            [
              ['rule',['.','box'],
