modules 'helper_tools', 'helper_tools_for_plotting', 'editdistance' are missing

[xiaodongpang23]

Thanks for sharing the code. A few modules missing when I tried to run the code, including 'helper_tools', 'helper_tools_for_plotting', 'editdistance' at least. Thank you.

[samsinai]

I've just added them to the generation folder.
For editdistance, it's a pip install editdistance and import