Use correct format specifier for Py_ssize_t variable to PyArg_ParseTuple().
diff --git a/Modules/arraymodule.c b/Modules/arraymodule.c
index 9444e9e..dffb2e7 100644
--- a/Modules/arraymodule.c
+++ b/Modules/arraymodule.c
@@ -1195,7 +1195,7 @@
 	PyObject *f;
 	Py_ssize_t n;
 	FILE *fp;
-        if (!PyArg_ParseTuple(args, "Oi:fromfile", &f, &n))
+        if (!PyArg_ParseTuple(args, "On:fromfile", &f, &n))
 		return NULL;
 	fp = PyFile_AsFile(f);
 	if (fp == NULL) {