[dak/master] textutils.py: don't try to convert unicode strings again

[Ansgar Burchardt <ansgar@debian.org>]

---
 daklib/textutils.py |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/daklib/textutils.py b/daklib/textutils.py
index 03df5d8..c9cc4ed 100644
--- a/daklib/textutils.py
+++ b/daklib/textutils.py
@@ -34,6 +34,8 @@ def force_to_utf8(s):
     Forces a string to UTF-8.  If the string isn't already UTF-8,
     it's assumed to be ISO-8859-1.
     """
+    if isinstance(s, unicode):
+        return s
     try:
         unicode(s, 'utf-8')
         return s
-- 
1.7.2.5