From 8a25094b25affcaeeb640715bb2de9f57652e618 Mon Sep 17 00:00:00 2001
From: Florian Festi <ffesti@redhat.com>
Date: Sun, 15 Sep 2013 19:19:24 +0200
Subject: [PATCH] Do not overwrite already existing edge characters

---
 boxes.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/boxes.py b/boxes.py
index fdd5f8e..25261de 100755
--- a/boxes.py
+++ b/boxes.py
@@ -431,7 +431,8 @@ class Boxes:
         if name is None:
             name = part.__class__.__name__
             name = name[0].lower() + name[1:]
-        setattr(self, name, part)
+        if not hasattr(self, name):
+            setattr(self, name, part)
         if isinstance(part, Edge):
             self.edges[part.char] = part