Fixing conflicts
Fixed code
[2693] added message for users without datas
Fixed problem with pep8
c
Fixed conflicts
Made code looks better
Added line in head
Made code looks better
Made code looks better#2
Removed useless lane
Made code look better#4
Made code looks better#5
Deleted useless lines
Merge pull request #12 from dpolcyn/bug_2693

[2693] Added exception for users without data.