Minor
diff --git a/pyotlss.py b/pyotlss.py
index 3071b89..6d3cdab 100755
--- a/pyotlss.py
+++ b/pyotlss.py
@@ -349,6 +349,7 @@
 				self.RuleCount = ChainTyp+'ClassRuleCount'
 				self.RuleSet = ChainTyp+'ClassSet'
 				self.RuleSetCount = ChainTyp+'ClassSetCount'
+
 				self.ClassDef = 'InputClassDef' if Chain else 'ClassDef'
 
 	if self.Format not in [1, 2, 3]: