diff --git a/from_smiles_step/from_smiles.py b/from_smiles_step/from_smiles.py
index fd7d10f..19b5a87 100644
--- a/from_smiles_step/from_smiles.py
+++ b/from_smiles_step/from_smiles.py
@@ -40,7 +40,7 @@ def git_revision(self):
         """The git version of this module.
         """
         return from_smiles_step.__git_revision__
-    
+
     def description_text(self, P=None):
         """Return a short description of this step.