Notice: Undefined index: view_mode line 779 of panopoly_magic when adding existing content through IPE

Notice: Undefined index: view_mode in panopoly_magic_form_views_content_views_panes_content_type_edit_form_alter() (line 779 of /Users/tom/workspace/panopoly/profiles/panopoly/modules/panopoly/panopoly_magic/panopoly_magic.module).

seeing this in the watchdog when I go to the IPE and choose to add a piece of existing content.