add string representation for runs

[amueller]

Didn't add a test... but tests are failing anyway? What's up with that?

[amueller]

part of #75

[mfeurer]

I think tests on the development branch fail in general right now.

[joaquinvanschoren]

Saw that too. There is a failing assertion on the number of tasks that is retrieved in an example (I thought it was in the user guide).

On Wed, 7 Feb 2018 at 17:45 Matthias Feurer ***@***.***> wrote: I think tests on the development branch fail in general right now. — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#391 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/ABpQV9uLmTmgGbM5xYjo3RWsrKtf37YCks5tSdNEgaJpZM4R7ww0> .

-- Thank you, Joaquin

[mfeurer]

This dataset is one of the culprits. @janvanrijn will fix issues with the test server within the next few days.

[codecov-io]

Codecov Report

Merging #391 into develop will decrease coverage by 0.15%.
The diff coverage is 37.5%.

@@ Coverage Diff @@## develop #391 +/- ##
===========================================
- Coverage 89.53% 89.37% -0.16% 
===========================================
Files 32 32 Lines 2676 2683 +7 ===========================================
+ Hits 2396 2398 +2 - Misses 280 285 +5

Impacted Files	Coverage Δ
openml/runs/run.py	90.71% <37.5%> (-1.9%)	⬇️

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