disable Issue6259 test for python

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

@@ -1,4 +1,5 @@
 package unit.issues;
+#if !python
 class Issue6259 extends Test{
 	function test(){
 		function f(a) return a.b;
@@ -6,3 +7,4 @@ class Issue6259 extends Test{
 		eq(res,4);
 	}
 }
+#end