There are linters to handle syntax issues like tabs for spaces. Furthermore every text editor I've ever used has supported automatic handling of tabs/spaces and

There are linters to handle syntax issues like tabs for spaces. Furthermore every text editor I've ever used has supported automatic handling of tabs/spaces and how many to indent. Not sure on publishing but maybe try packaging it properly (I believe python apps can be wrapped into .exe files) and putting the package into something like dropbox folder? It's 2015 and these problems are solved already.