From 3befc25576689da2b157275758d775d239fb92ea Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Tue, 11 Feb 2014 06:11:44 +0530
Subject: [PATCH] Fix #1278606 [Last commit (Windows: Improve handling of ...)
 has broken something](https://bugs.launchpad.net/calibre/+bug/1278606)

---
 src/calibre/utils/terminal.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/utils/terminal.py b/src/calibre/utils/terminal.py
index d77b2bf4ef..e292dc2e55 100644
--- a/src/calibre/utils/terminal.py
+++ b/src/calibre/utils/terminal.py
@@ -153,7 +153,7 @@ class ColoredStream(Detect):
 
     def __enter__(self):
         if not self.isatty:
-            return
+            return self
         if self.isansi:
             if self.bold:
                 self.stream.write(ATTRIBUTES['bold'])