diff --git a/python/damask/dadf5.py b/python/damask/dadf5.py
index 887c32338..4214f4922 100644
--- a/python/damask/dadf5.py
+++ b/python/damask/dadf5.py
@@ -2,7 +2,6 @@
 import h5py
 import re
 import numpy as np
-import os
 
 # ------------------------------------------------------------------
 class DADF5():
@@ -97,7 +96,6 @@ class DADF5():
     """
     Dataset for all points/cells
     
-    
     If more than one path is given, the dataset is composed of the individual contributions
     """
     with h5py.File(self.filename,'r') as f: