diff --git a/python_arborist.py b/python_arborist.py
index b79f33ee58b238f22434d6b56a01e9862f0c6dab..00ccc6ff71e5705f1e59db49749b8c83432f5666 100644
--- a/python_arborist.py
+++ b/python_arborist.py
@@ -265,7 +265,7 @@ class TreeNode:
         return str(self.language_element) + str(self.subnodes)
 
 
-def walk_the_tree(tree, level = 0):
+def walk_the_tree(tree, level = 1):
     if tree == None:
         return
 
@@ -298,7 +298,7 @@ if __name__ == '__main__':
 
 
     init_data = [OPENPAREN, 0xE101, ADDOP, OPENPAREN, OPENPAREN, 0XE102,CLOSEPAREN, CLOSEPAREN, ADDOP, 0XE103, CLOSEPAREN, MULTOP, 0XE104, ENDOFPARSE]
-    
+
     with m.Switch(nine.input_memory_addr):
         for addr,data in enumerate(init_data):
             with m.Case(addr):