guard against missing edges in `mojito gv`
guard against missing edges in `mojito gv`

ooskapenaar/mojito,1950195/mojito,jeffblack360/mojito,jeffblack360/mojito,1950195/mojito,jeffblack360/mojito,1950195/mojito,jeffblack360/mojito,ooskapenaar/mojito,yahoo/mojito,yahoo/mojito,ooskapenaar/mojito,ooskapenaar/mojito,yahoo/mojito