disable Issue6259 test for python correctly

tests/unit/src/unit/issues/Issue6259.hx

@@ -1,10 +1,10 @@
 package unit.issues;
-#if !python
 class Issue6259 extends Test{
 	function test(){
+#if !python
 		function f(a) return a.b;
 		var res = f({b: (s) -> s.length})("6259");
 		eq(res,4);
+#end
 	}
 }
-#end