now it should work...

Author: mmatera

mathics/builtin/compilation.py

@@ -184,22 +184,28 @@ def __hash__(self):
         return hash(("CompiledCode", ctypes.addressof(self.cfunc)))  # XXX hack
 
     def atom_to_boxes(self, f, evaluation):
-        return Expression('CompiledCodeBox', self)
+        return CompiledCodeBox(String(self.__str__()), evaluation=evaluation)
 
 
 class CompiledCodeBox(BoxConstruct):
     """
     Used internally by <i>CompileCode[]</i>.
     """
 
-    def boxes_to_text(self, leaves, **options):
-        return leaves[0].__str__()
+    def boxes_to_text(self, leaves=None, **options):
+        if leaves is None:
+            leaves = self._leaves
+        return leaves[0].value
 
     def boxes_to_xml(self, leaves, **options):
-        return leaves[0].__str__()
+        if leaves is None:
+            leaves = self._leaves        
+        return leaves[0].value
 
     def boxes_to_tex(self, leaves, **options):
-        return leaves[0].__str__()
+        if leaves is None:
+            leaves = self._leaves        
+        return leaves[0].value
 
 
 class CompiledFunction(Builtin):