From eb1adb69dec87551c6346dd050818f02e9d50a13 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 17 Jun 2016 18:12:39 +0530
Subject: [PATCH] ...

---
 src/calibre/ebooks/oeb/base.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/calibre/ebooks/oeb/base.py b/src/calibre/ebooks/oeb/base.py
index e9b97a9e4d..69fcac9712 100644
--- a/src/calibre/ebooks/oeb/base.py
+++ b/src/calibre/ebooks/oeb/base.py
@@ -522,7 +522,7 @@ class DirContainer(object):
         if path is None:
             path = self.opfname
         path = os.path.join(self.rootdir, self._unquote(path))
-        with open(path, 'rb') as f:
+        with lopen(path, 'rb') as f:
             return f.read()
 
     def write(self, path, data):
@@ -530,7 +530,7 @@ class DirContainer(object):
         dir = os.path.dirname(path)
         if not os.path.isdir(dir):
             os.makedirs(dir)
-        with open(path, 'wb') as f:
+        with lopen(path, 'wb') as f:
             return f.write(data)
 
     def exists(self, path):