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-rw-r--r--Objects/unicodeobject.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 60b0a1f..3afb799 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -1985,6 +1985,9 @@ _PyUnicode_FindMaxChar(PyObject *unicode, Py_ssize_t start, Py_ssize_t end)
if (start == end)
return 127;
+ if (PyUnicode_IS_ASCII(unicode))
+ return 127;
+
kind = PyUnicode_KIND(unicode);
startptr = PyUnicode_DATA(unicode);
endptr = (char *)startptr + end * kind;