- patch #1600346 submitted by Tomer Filiba
- Renamed nb_nonzero slots to nb_bool
- Renamed __nonzero__ methods to __bool__
- update core, lib, docs, and tests to match
diff --git a/Objects/object.c b/Objects/object.c
index e202e9b..4d9f414 100644
--- a/Objects/object.c
+++ b/Objects/object.c
@@ -1246,8 +1246,8 @@
 	if (v == Py_None)
 		return 0;
 	else if (v->ob_type->tp_as_number != NULL &&
-		 v->ob_type->tp_as_number->nb_nonzero != NULL)
-		res = (*v->ob_type->tp_as_number->nb_nonzero)(v);
+		 v->ob_type->tp_as_number->nb_bool != NULL)
+		res = (*v->ob_type->tp_as_number->nb_bool)(v);
 	else if (v->ob_type->tp_as_mapping != NULL &&
 		 v->ob_type->tp_as_mapping->mp_length != NULL)
 		res = (*v->ob_type->tp_as_mapping->mp_length)(v);