IOError instead of RuntimeError

diff --git a/Demo/scripts/from.py b/Demo/scripts/from.py
index 394af8df227541f7fd42bb464f98c5d7cf39e0d5..3213aea2ba04fefe6c1b458dfa0591edc99b6bee 100755 (executable)
--- a/Demo/scripts/from.py
+++ b/Demo/scripts/from.py
@@ -16,7 +16,7 @@ except (AttributeError, KeyError):
 
 try:
        mail = open(mailbox, 'r')
-except RuntimeError:
+except IOError:
        sys.stderr.write('Cannot open mailbox file: ' + mailbox + '\n')
        sys.exit(2)