Index: Modules/pyexpat.c
===================================================================
--- Modules/pyexpat.c	(revision 75281)
+++ Modules/pyexpat.c	(working copy)
@@ -980,7 +980,7 @@
         void *buf = XML_GetBuffer(self->itself, BUF_SIZE);
         if (buf == NULL) {
             Py_XDECREF(readmethod);
-            return PyErr_NoMemory();
+            return get_parse_result(self, 0);
         }
 
         if (fp) {