Try to fix the problem on the Windows buildbot where this code:
b * sys.maxint # from test_bytes.py line 379
Caused: SystemError: error return without exception set
diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c
index c132692..ec37928 100644
--- a/Objects/bytesobject.c
+++ b/Objects/bytesobject.c
@@ -125,7 +125,7 @@
new->ob_bytes = PyMem_Malloc(alloc);
if (new->ob_bytes == NULL) {
Py_DECREF(new);
- return NULL;
+ return PyErr_NoMemory();
}
if (bytes != NULL)
memcpy(new->ob_bytes, bytes, size);