fix skinerror exception class

diff --git a/skin.py b/skin.py
index f34ea9c22c63b0f978b04c548021c483b398ccf4..5a6408f3dd6ffef61237d93b907afb707a833ac1 100644 (file)
--- a/skin.py
+++ b/skin.py
@@ -18,8 +18,12 @@ def dump(x, i=0):
 
 from Tools.Directories import resolveFilename, SCOPE_SKIN, SCOPE_SKIN_IMAGE, SCOPE_FONTS
 
-class SkinError(str):
-       pass
+class SkinError(Exception):
+       def __init__(self, message):
+               self.message = message
+
+       def __str__(self):
+               return self.message
 
 dom_skins = [ ]