diff --git a/lib/conllulib.py b/lib/conllulib.py
index 516c7cc8dc5ab7aebf6c68a586950cfafd5ac004..bb46a39ee97e02ee9d07510f2d1f96d55e5eefcf 100644
--- a/lib/conllulib.py
+++ b/lib/conllulib.py
@@ -297,8 +297,6 @@ class CoNLLUReader(object):
     >>> for sent in readConlluString(test):
     >>>  print(CoNLLUReader.to_bio(sent))
     ['B-PROD', 'I-PROD', 'I-PROD', 'O', 'B-PERS', 'O', 'O', 'O', 'O', 'B-ORG', 'I-ORG']
-    
-    
     """
     bio_enc = []
     neindex = 0