JimLiu/angular-ui-tree — pull request #314 by martinwoitzik (2014-12-18 23:53:26+00:00)
Title: Fixed 'exp' error when using Chrome and Angular-Batarang-Plugin

Hi,
this is a fix for this reported issue: "Cannot read property 'exp' of undefined #185 "
This only appears in chrome as long as the Angular-Batarang console is opened and enabled. It's very annoying, so I just fixed it by checking if the $watch(attrs) parameters are available.
Cheers