diff --git a/lib/damask/__init__.py b/lib/damask/__init__.py
index dc40920fa..3edaa9efa 100644
--- a/lib/damask/__init__.py
+++ b/lib/damask/__init__.py
@@ -1,7 +1,7 @@
 # -*- coding: UTF-8 no BOM -*-
 
 """Main aggregator"""
-import sys, os
+import os
 
 with open(os.path.join(os.path.dirname(__file__),'../../VERSION')) as f:
   version = f.readline()[:-1]
@@ -11,10 +11,10 @@ from .asciitable  import ASCIItable       # noqa
 from .config      import Material         # noqa
 from .colormaps   import Colormap, Color  # noqa
 try:
-  from .corientation import Quaternion, Rodrigues, Symmetry, Orientation
+  from .corientation import Quaternion, Rodrigues, Symmetry, Orientation # noqa
   print "Import Cython version of Orientation module"
 except:
-  from .orientation import Quaternion, Rodrigues, Symmetry, Orientation
+  from .orientation import Quaternion, Rodrigues, Symmetry, Orientation # noqa
 #from .block       import Block           # only one class
 from .result      import Result           # noqa
 from .geometry    import Geometry         # noqa