--- a/mercurial/parsers.c Wed Oct 05 13:45:22 2016 +0200
+++ b/mercurial/parsers.c Sat Oct 08 17:51:29 2016 +0200
@@ -2880,7 +2880,7 @@
PyObject *mod;
if (check_python_version() == -1)
- return;
+ return NULL;
mod = PyModule_Create(&parsers_module);
module_init(mod);
return mod;