diff --git a/src/calibre/ebooks/metadata/__init__.py b/src/calibre/ebooks/metadata/__init__.py
index 55d70ee909..6b573a0420 100644
--- a/src/calibre/ebooks/metadata/__init__.py
+++ b/src/calibre/ebooks/metadata/__init__.py
@@ -11,6 +11,7 @@ from urllib import unquote, quote
 from urlparse import urlparse
 
 from calibre import relpath, prints
+
 from calibre.utils.config import tweaks
 from calibre.utils.date import isoformat