diff -r 81acd8021764 -r 96ddbedf93cb src/hdalab/utils.py
--- a/src/hdalab/utils.py	Mon Mar 09 11:03:57 2015 +0100
+++ b/src/hdalab/utils.py	Mon Mar 09 11:05:44 2015 +0100
@@ -4,12 +4,14 @@
 
 @author: ymh and tc
 '''
+import hashlib
+import logging
+import re
+
 from django.core.cache import cache
 from django.utils.encoding import smart_str
-import hashlib
-import re
 
-import logging
+
 logger = logging.getLogger(__name__)
 
 
@@ -29,4 +31,7 @@
     while n > 0:
         digits.insert(0, n % b)
         n  = n // b
-    return digits
\ No newline at end of file
+    return digits
+
+    
+    
\ No newline at end of file