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-rw-r--r--Objects/rangeobject.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Objects/rangeobject.c b/Objects/rangeobject.c
index b4d0bbf32c..beb86b9623 100644
--- a/Objects/rangeobject.c
+++ b/Objects/rangeobject.c
@@ -33,7 +33,7 @@ validate_step(PyObject *step)
return PyLong_FromLong(1);
step = PyNumber_Index(step);
- if (step && _PyLong_Sign(step) == 0) {
+ if (step && _PyLong_IsZero((PyLongObject *)step)) {
PyErr_SetString(PyExc_ValueError,
"range() arg 3 must not be zero");
Py_CLEAR(step);