From 468a47eb5d8f573935ccd4ac7ec6cf256515fbaf Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sat, 1 Sep 2012 23:07:10 +0530
Subject: [PATCH] ...

---
 src/calibre/gui2/device.py | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/calibre/gui2/device.py b/src/calibre/gui2/device.py
index 5f9cb3e75c..98e42f4178 100644
--- a/src/calibre/gui2/device.py
+++ b/src/calibre/gui2/device.py
@@ -564,9 +564,8 @@ class DeviceManager(Thread): # {{{
                         to_job=add_as_step_to_job)
 
     def _view_book(self, path, target):
-        f = open(target, 'wb')
-        self.device.get_file(path, f)
-        f.close()
+        with open(target, 'wb') as f:
+            self.device.get_file(path, f)
         return target
 
     def view_book(self, done, path, target, add_as_step_to_job=None):