Update binary_tree_traversals.py

rajansh87 · web-flow · commit 449f68656751 · 2020-10-15T13:04:35.000+05:30
diff --git a/data_structures/binary_tree/binary_tree_traversals.py b/data_structures/binary_tree/binary_tree_traversals.py
@@ -185,5 +185,6 @@ def main():  # Main function for testing.
 if __name__ == "__main__":
     # main()
     import doctest
+    
     doctest.testmod()
     main()
