From 00f346d40cb6f4602756e90a62f278adca4891fd Mon Sep 17 00:00:00 2001
From: "dr.yuri" <dr.yuri92@gmail.com>
Date: Thu, 30 May 2019 13:55:32 +0300
Subject: [PATCH] add a decoding method to transform bytes to string

---
 openmc/lattice.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/openmc/lattice.py b/openmc/lattice.py
index 281cc3addd..429d8b691b 100644
--- a/openmc/lattice.py
+++ b/openmc/lattice.py
@@ -142,7 +142,7 @@ class Lattice(IDManagerMixin, metaclass=ABCMeta):
             pitch = group['pitch'][()]
             outer = group['outer'][()]
             if ('orientation' in group.keys()):
-               orientation = group['orientation'][()]
+               orientation = group['orientation'][()].decode()
             else:
                orientation = "oy"