Submissions do not work

[adamskrodzki]

After submiting my sort solution i saw error:

An internal error occurred: expected string or bytes-like object See logs for full stacktrace.

[Arachnid]

Error reporting definitely needs improvement. You're getting this error because you didn't supply a blockchain address with your submission.

[ldct]

@Arachnid I'm getting this:

local variable 'expected' referenced before assignment

[Arachnid]

Should be fixed now.