From 435f0c9725d951767c4eb70830cbab2e376e72e0 Mon Sep 17 00:00:00 2001
From: Yngve Levinsen <yngve.levinsen@ess.eu>
Date: Mon, 27 Jan 2020 15:08:17 +0100
Subject: [PATCH] fix in lib_tw from bug I introduced earlier

---
 ess/lib_tw.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ess/lib_tw.py b/ess/lib_tw.py
index a271fcd..bd34113 100644
--- a/ess/lib_tw.py
+++ b/ess/lib_tw.py
@@ -212,7 +212,7 @@ class LATTICE:
                             except IndexError:
                                 pass
                     else:
-                        self.lst[i].apt = self.lst[i - 1].apt
+                        self.lst[i].apt = self.get_elem_idx(self.lst[i].idx_elem - 1).apt
             except AttributeError:
                 pass
 
-- 
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