From 8b5274f3ade9b67178e8e834a778936f21038713 Mon Sep 17 00:00:00 2001
From: Mihai Cara <mihail.cara@gmail.com>
Date: Tue, 9 Aug 2016 16:20:48 -0400
Subject: Fixes a bug (ValueError crash in applying headerlets using
 ``apply_as_primary``) revealed in Footprints ticket no. 9151

---
 stwcs/wcsutil/headerlet.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'stwcs/wcsutil/headerlet.py')

diff --git a/stwcs/wcsutil/headerlet.py b/stwcs/wcsutil/headerlet.py
index 0a2e90b..5a980aa 100644
--- a/stwcs/wcsutil/headerlet.py
+++ b/stwcs/wcsutil/headerlet.py
@@ -1988,10 +1988,8 @@ class Headerlet(fits.HDUList):
             # Update WCS with HDRNAME as well
 
             for kw in ['SIMPLE', 'BITPIX', 'NAXIS', 'EXTEND']:
-                try:
+                if kw in priwcs[0].header:
                     priwcs[0].header.remove(kw)
-                except ValueError:
-                    pass
 
             priwcs[0].header.set('WCSNAME', self[0].header['WCSNAME'], "")
             priwcs[0].header.set('WCSAXES', self[('SIPWCS', i)].header['WCSAXES'], "")
-- 
cgit