Update binary_tree_traversals.py

rajansh87 · web-flow · commit 5dc55344e81c · 2020-10-15T13:06:38.000+05:30
diff --git a/data_structures/binary_tree/binary_tree_traversals.py b/data_structures/binary_tree/binary_tree_traversals.py
@@ -187,4 +187,4 @@ def main():  # Main function for testing.
     import doctest
     
     doctest.testmod()
-    main()
+    
