grim/convey

Check that we have an image before trying to inspect it. Fixes #173

2018-02-17, Gary Kramlich
86e00b10bb80
Check that we have an image before trying to inspect it. Fixes #173
Gary Kramlich <grim@reaperworld.com>
Keith Petkus <keith@keithp.net>
Eric Fritz <eric@eric-fritz.com>
Erik Davidson <erik@erikd.org>
Anatzum