Index: bindings/python/clang/cindex.py
===================================================================
--- bindings/python/clang/cindex.py
+++ bindings/python/clang/cindex.py
@@ -2383,7 +2383,7 @@
         functions above. __init__ is only called internally.
         """
         assert isinstance(index, Index)
-
+        self.index = index
         ClangObject.__init__(self, ptr)
 
     def __del__(self):