--- a/rust/hg-cpython/src/dirstate/dirs_multiset.rs	Sun Sep 08 20:26:55 2019 +0900
+++ b/rust/hg-cpython/src/dirstate/dirs_multiset.rs	Sun Sep 15 16:50:48 2019 +0900
@@ -107,7 +107,7 @@
     }
 });
 
-py_shared_ref!(Dirs, DirsMultiset, inner);
+py_shared_ref!(Dirs, DirsMultiset, inner, inner_shared);
 
 impl Dirs {
     pub fn from_inner(py: Python, d: DirsMultiset) -> PyResult<Self> {