If the image generation doesn't add any profiles to the output the
*profile merge* will fail. To avoid that set an empty profile as
fallback.
Signed-off-by: Paul Spooren <mail@aparcar.org>
output["profiles"][device_id]["images"].extend(profile["images"])
# make image lists unique by name, keep last/latest
-for device_id, profile in output["profiles"].items():
+for device_id, profile in output.get("profiles", {}).items():
profile["images"] = list({e["name"]: e for e in profile["images"]}.values())