X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/e7b601c25f6ac88e7adaf219f296c448d29c3904..878620a8b1827ed3f58e267a89f76c2dbeaa4b65:/sdk/python/arvados/collection.py

diff --git a/sdk/python/arvados/collection.py b/sdk/python/arvados/collection.py
index ff29919f1b..f7364758a5 100644
--- a/sdk/python/arvados/collection.py
+++ b/sdk/python/arvados/collection.py
@@ -22,6 +22,7 @@ from keep import *
 from stream import *
 import config
 import errors
+import util
 
 def normalize_stream(s, stream):
     stream_tokens = [s]
@@ -55,9 +56,9 @@ def normalize_stream(s, stream):
             stream_tokens.append("{0}:{1}:{2}".format(current_span[0], current_span[1] - current_span[0], fout))
 
         if len(stream[f]) == 0:
-            stream_tokens.append("0:0:{0}".format(fout))            
+            stream_tokens.append("0:0:{0}".format(fout))
 
-    return stream_tokens    
+    return stream_tokens
 
 def normalize(collection):
     streams = {}
@@ -284,7 +285,7 @@ class CollectionWriter(object):
             manifest += ' ' + ' '.join(stream[1])
             manifest += ' ' + ' '.join("%d:%d:%s" % (sfile[0], sfile[1], sfile[2].replace(' ', '\\040')) for sfile in stream[2])
             manifest += "\n"
-        
+
         #print 'writer',manifest
         #print 'after reader',CollectionReader(manifest).manifest_text()