Merge pull request #2746 from fractal-analytics-platform/2736-undefined-behavior-a-task-creates-a-new-image-with-originnone

add check for attributes before removing remove IMAGE_STATUS_KEY

Author: mfranzon

fractal_server/app/runner/v2/runner.py

@@ -47,7 +47,7 @@ def _remove_status_from_attributes(
     Drop attribute `IMAGE_STATUS_KEY` from all images.
     """
     images_copy = deepcopy(images)
-    [img["attributes"].pop(IMAGE_STATUS_KEY) for img in images_copy]
+    [img["attributes"].pop(IMAGE_STATUS_KEY, None) for img in images_copy]
     return images_copy