### Please describe the problem.

[[!format sh """
$ git annex assistant
git-annex: S3 bucket not configured
"""]]

### What version of git-annex are you using? On what operating system?

git-annex.linux.6.20180914 - the one i had gotten after autoupdate

### Have you had any luck using git-annex before? (Sometimes we get tired of reading bug reports all day and a lil' positive end note does wonders)

yes
