diff --git a/src/caosadvancedtools/models/parser.py b/src/caosadvancedtools/models/parser.py
index 5b17ab4a191c4bb797c0c79d126094986e0491c4..3815ba57518ff19d20266bab9f78f2d5c969fbbd 100644
--- a/src/caosadvancedtools/models/parser.py
+++ b/src/caosadvancedtools/models/parser.py
@@ -358,7 +358,7 @@ class Parser(object):
         self.treated.append(name)
 
     def _check_datatypes(self):
-        """Checks if the datatype is valid. 
+        """Checks if the datatype is valid.
 
         Iterate over all properties in this datamodel and choose a
         valid datatype from the original datatype string in the yaml