Fixed signed/unsigned comparison warning
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 8eb2dd2..e896aba 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -9484,7 +9484,7 @@
kind = PyUnicode_KIND(self);
data = PyUnicode_DATA(self);
length = PyUnicode_GET_LENGTH(self);
- if (length > PY_SSIZE_T_MAX / (3 * sizeof(Py_UCS4))) {
+ if ((size_t) length > PY_SSIZE_T_MAX / (3 * sizeof(Py_UCS4))) {
PyErr_SetString(PyExc_OverflowError, "string is too long");
return NULL;
}