From 2c04554be56c3b6fdd71a5bf54bb29dcc3dd0b4d Mon Sep 17 00:00:00 2001
From: "kr.angelov" <kr.angelov@gmail.com>
Date: Thu, 22 May 2014 13:33:18 +0000
Subject: [PATCH] small fix in tabularLinearize

---
 src/runtime/python/pypgf.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/runtime/python/pypgf.c b/src/runtime/python/pypgf.c
index 2ba497d48..2e3a82b44 100644
--- a/src/runtime/python/pypgf.c
+++ b/src/runtime/python/pypgf.c
@@ -1317,6 +1317,8 @@ Concr_tabularLinearize(ConcrObject* self, PyObject *args)
 			pystr = PyString_FromString(str);
 		} else {
 			gu_exn_clear(err);
+			pystr = Py_None;
+			Py_INCREF(pystr);
 		}
 
 		if (PyDict_SetItemString(table, labels[lin_idx], pystr) < 0)