Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
I was getting the same thing. For Python 3.x, use a//b instead of a/b to handle the float to int problem.
What would happen if the data version were '.132'? Would your method mark it as valid or invalid?