diff --git a/hepcrawl/middlewares.py b/hepcrawl/middlewares.py
index dab5c7e4..5554c502 100644
--- a/hepcrawl/middlewares.py
+++ b/hepcrawl/middlewares.py
@@ -11,8 +11,8 @@
 
 from __future__ import absolute_import, division, print_function
 
-class ErrorHandlingMiddleware(object):
 
+class ErrorHandlingMiddleware(object):
     """Log errors."""
 
     @classmethod