Adam Peller

just tried it. I cannot reproduce the problem either.

I had to run the explore() cell a second time to see it. Both times, the vega chart failed to appear.

@lbustelo same error

@MattKravetz modifying an installation in docker is tricky business. I think there are multiple copies of the files. Aside from running in the dev environment, I cannot recommend any other...

when implementing this, the multiSelect property in charts should be moved to `urth-viz-selection-behavior` and shared with `urth-viz-table`. Selection is now an array of arrays only for `multiSelect=true` See #285

@jtyberg @lbustelo

I think this is a known issue. @lbustelo?

I remember this being an intermittent problem, usually resolved by a reload

I think I usually had to both restart the kernel and clear the output cells to get past this problem

@poplav: Some other (non-fatal) warnings and errors to look at, mostly from Scala: `16/09/22 16:52:23 [ERROR] o.a.s.u.Utils - Uncaught exception in thread driver-heartbeater java.io.IOException: java.lang.ClassCastException: cannot assign instance of scala.collection.immutable.HashMap$SerializationProxy...