Load jar doesn't work in %dep interpreter in 0.6.1 version

Loading of jars doesn't work in %dep interpreter in version 0.6.1

%dep
z.load("/path/to.jar")

Logs don't contain any errors or any clue about the cause of this issue.

Here is the mailing thread http://apache-zeppelin-users-incubating-mailing-list.75479.x6.nabble.com/Why-the-deprecation-of-dep-td3976.html