diff --git a/src/pylorax/yumhelper.py b/src/pylorax/yumhelper.py
index d050f5b9..d87a4da2 100644
--- a/src/pylorax/yumhelper.py
+++ b/src/pylorax/yumhelper.py
@@ -25,7 +25,7 @@ import sys, os, re
 import yum, yum.callbacks, yum.rpmtrans
 import output
 
-__all__ = ['LoraxDownloadCallback', 'LoraxTransactionCallback', 
+__all__ = ['LoraxDownloadCallback', 'LoraxTransactionCallback',
            'LoraxRpmCallback']
 
 class LoraxDownloadCallback(yum.callbacks.DownloadBaseCallback):