Provide the source code with a license.

> In the US, if no license is specified, users have no legal right to download, modify, or 
> distribute.

https://python-guide.readthedocs.org/en/latest/writing/license/

Happy to provide a different license if you are opinionated about which to use, but this one effectively means "You are free to use this code how you wish, as long as the copyright notice is still there and you agree not to sue me.". That said, I'm not a lawyer. :smile_cat: