Optimize previous checkin for heapq.
diff --git a/Modules/_heapqmodule.c b/Modules/_heapqmodule.c
index 8edf626..4fd0dd5 100644
--- a/Modules/_heapqmodule.c
+++ b/Modules/_heapqmodule.c
@@ -17,8 +17,14 @@
cmp_lt(PyObject *x, PyObject *y)
{
int cmp;
+ static PyObject *lt = NULL;
- if (PyObject_HasAttrString(x, "__lt__"))
+ if (lt == NULL) {
+ lt = PyString_FromString("__lt__");
+ if (lt == NULL)
+ return -1;
+ }
+ if (PyObject_HasAttr(x, lt))
return PyObject_RichCompareBool(x, y, Py_LT);
cmp = PyObject_RichCompareBool(y, x, Py_LE);
if (cmp != -1)