Use 'n' format for Py_ssize_t variables to PyArg_ParseTuple(). Py_ssize_t
has been applied fairly arbitrarily in this module (nsmallest uses
Py_ssize_t, nlargest does not) and it probably deserves a more complete
review. Fixes heapq.nsmallest() always returning the empty list (on
platforms with 64-bit ssize_t/long)
diff --git a/Modules/_heapqmodule.c b/Modules/_heapqmodule.c
index fb63c6b..3642769 100644
--- a/Modules/_heapqmodule.c
+++ b/Modules/_heapqmodule.c
@@ -393,7 +393,7 @@
PyObject *heap=NULL, *elem, *iterable, *los, *it, *oldelem;
Py_ssize_t i, n;
- if (!PyArg_ParseTuple(args, "iO:nsmallest", &n, &iterable))
+ if (!PyArg_ParseTuple(args, "nO:nsmallest", &n, &iterable))
return NULL;
it = PyObject_GetIter(iterable);