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.
It is most likely because you messed up with brackets somewhere.
I had the same and just added one more ")"
2692 guys passed the Python kata.
I think this is best solution
I got error every time when I trying to run tests
File "", line 10
Test.describe("longest")
^
SyntaxError: invalid syntax