From 9467d83cf23dcc9a9b4ca6e35103142f48a55b27 Mon Sep 17 00:00:00 2001
From: Andrej Karpathy <andrej.karpathy@gmail.com>
Date: Sun, 19 Oct 2025 23:54:31 +0000
Subject: [PATCH] fix memory leak bug in rust tokenizer ty @mitsuhiko

---
 rustbpe/src/lib.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/rustbpe/src/lib.rs b/rustbpe/src/lib.rs
index b43fb6c..273d7f2 100644
--- a/rustbpe/src/lib.rs
+++ b/rustbpe/src/lib.rs
@@ -292,8 +292,7 @@ impl Tokenizer {
 
         // Prepare a true Python iterator object
         let py_iter: pyo3::Py<pyo3::PyAny> = unsafe {
-            pyo3::Bound::from_borrowed_ptr_or_err(py, pyo3::ffi::PyObject_GetIter(iterator.as_ptr()))?
-                .into()
+            pyo3::Py::from_owned_ptr_or_err(py, pyo3::ffi::PyObject_GetIter(iterator.as_ptr()))?
         };
 
         // Global chunk counts