From ca5703b250753a728c120099fb3053d6b940e64a Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Wed, 16 Mar 2011 10:44:56 -0600
Subject: [PATCH] ...

---
 src/calibre/gui2/main_window.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/calibre/gui2/main_window.py b/src/calibre/gui2/main_window.py
index ec58dd3856..134aae3ad1 100644
--- a/src/calibre/gui2/main_window.py
+++ b/src/calibre/gui2/main_window.py
@@ -20,7 +20,8 @@ Usage: %prog [options]
 Launch the Graphical User Interface
 '''):
     parser = OptionParser(usage)
-    parser.add_option('--redirect-console-output', default=False, action='store_true', dest='redirect',
+    # The b is required because of a regression in optparse.py in python 2.7.0
+    parser.add_option(b'--redirect-console-output', default=False, action='store_true', dest='redirect',
                       help=_('Redirect console output to a dialog window (both stdout and stderr). Useful on windows where GUI apps do not have a output streams.'))
     return parser