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-rw-r--r--Modules/_collectionsmodule.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Modules/_collectionsmodule.c b/Modules/_collectionsmodule.c
index c1fd8b9d9b..47db46f86b 100644
--- a/Modules/_collectionsmodule.c
+++ b/Modules/_collectionsmodule.c
@@ -788,7 +788,7 @@ deque_reverse(dequeobject *deque, PyObject *unused)
block *rightblock = deque->rightblock;
Py_ssize_t leftindex = deque->leftindex;
Py_ssize_t rightindex = deque->rightindex;
- Py_ssize_t n = Py_SIZE(deque) / 2;
+ Py_ssize_t n = Py_SIZE(deque) >> 1;
Py_ssize_t i;
PyObject *tmp;