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-rw-r--r--linaro-ami/aws_controller.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/linaro-ami/aws_controller.py b/linaro-ami/aws_controller.py
index 29c77dc..d5037ee 100644
--- a/linaro-ami/aws_controller.py
+++ b/linaro-ami/aws_controller.py
@@ -104,7 +104,8 @@ class AwsController:
# There doesn't seem to be timestamp associated with AMI, so iterate
# over its associated snapshots, and find oldest.
snapshot_ids = [bdm.snapshot_id
- for bdm in image.block_device_mapping.values()]
+ for bdm in image.block_device_mapping.values()
+ if bdm.snapshot_id]
snapshots = self._connection.get_all_snapshots(snapshot_ids)
oldest = "Z"
for s in snapshots: