Only access content if parent is an instance of Ember.ObjectProxy.
Only access content if parent is an instance of Ember.ObjectProxy.

baylee-d/ember-preprints,baylee-d/ember-preprints,caneruguz/ember-preprints,laurenrevere/ember-preprints,laurenrevere/ember-preprints,CenterForOpenScience/ember-preprints,CenterForOpenScience/ember-preprints,caneruguz/ember-preprints