From cebf7e6f2205e6cddc9d891423cc86f5d720ae2c Mon Sep 17 00:00:00 2001
From: David Rafferty <drafferty@hs.uni-hamburg.de>
Date: Thu, 15 Jun 2017 09:49:30 +0200
Subject: [PATCH] Fix units on existing columns

---
 lsmtool/skymodel.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lsmtool/skymodel.py b/lsmtool/skymodel.py
index 56f9ca0..df5c850 100644
--- a/lsmtool/skymodel.py
+++ b/lsmtool/skymodel.py
@@ -924,7 +924,9 @@ class SkyModel(object):
         else:
             data = np.array(data)
         if colName in self.table.keys():
+            units = self.table.columns[colName].unit
             self.table[colName] = data
+            self.table.columns[colName].unit = units
         else:
             if colName == 'Patch':
                 # Specify length of 50 characters
-- 
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