error deregistering image (--delete-ami)

[rafaeltuelho]

Getting this error when using --delete-ami

[INFO] 2023-06-05 12:31:49,365 ec2-spot-converter - [STEP 22/26] Reboot new instance (if needed and requested)... 
[INFO] 2023-06-05 12:31:49,365 ec2-spot-converter -   => SUCCESS. No reason to reboot instance 'i-0113bca587b7f5c14'... Skipping...
[INFO] 2023-06-05 12:31:49,568 ec2-spot-converter - [STEP 23/26] Update CloudWatch alarms... => SKIPPED! Need '--update-cw-alarms' argument.
[INFO] 2023-06-05 12:31:49,568 ec2-spot-converter - [STEP 24/26] Untag resources... 
[INFO] 2023-06-05 12:31:49,870 ec2-spot-converter -   => SUCCESS. Successfully untagged ['i-0113bca587b7f5c14', 'eni-0e2f07f1dbb86ca46'].
[INFO] 2023-06-05 12:31:50,102 ec2-spot-converter - [STEP 25/26] Waiting for instance to be at expected states in target groups... => SKIPPED! Need '--wait-for-tg-states' argument.
[INFO] 2023-06-05 12:31:50,102 ec2-spot-converter - [STEP 26/26] Deregister image... 
Traceback (most recent call last):
  File "/Users/rsoares/dev/github/rafaeltuelho/sno-for-100/.run/ec2-spot-converter", line 1621, in <module>
    sys.exit(main(sys.argv))
             ^^^^^^^^^^^^^^
  File "/Users/rsoares/dev/github/rafaeltuelho/sno-for-100/.run/ec2-spot-converter", line 1587, in main
    return_code, reason, keys = step["Function"]()
                                ^^^^^^^^^^^^^^^^^^
  File "/Users/rsoares/dev/github/rafaeltuelho/sno-for-100/.run/ec2-spot-converter", line 1212, in deregister_image
    snap_ids = [blk["Ebs"]["SnapshotId"] for blk in img["BlockDeviceMappings"]]
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/rsoares/dev/github/rafaeltuelho/sno-for-100/.run/ec2-spot-converter", line 1212, in <listcomp>
    snap_ids = [blk["Ebs"]["SnapshotId"] for blk in img["BlockDeviceMappings"]]
                ~~~^^^^^^^
KeyError: 'Ebs'