Traceback (most recent call last):
  File "/snap/ubuntu-desktop-installer/181/lib/python3.8/site-packages/curtin/commands/main.py", line 202, in main
    ret = args.func(args)
  File "/snap/ubuntu-desktop-installer/181/lib/python3.8/site-packages/curtin/log.py", line 97, in wrapper
    return log_time("TIMED %s: " % msg, func, *args, **kwargs)
  File "/snap/ubuntu-desktop-installer/181/lib/python3.8/site-packages/curtin/log.py", line 79, in log_time
    return func(*args, **kwargs)
  File "/snap/ubuntu-desktop-installer/181/lib/python3.8/site-packages/curtin/commands/block_meta.py", line 102, in block_meta
    meta_clear(devices, state.get('report_stack_prefix', ''))
  File "/snap/ubuntu-desktop-installer/181/lib/python3.8/site-packages/curtin/commands/block_meta.py", line 1943, in meta_clear
    clear_holders.clear_holders(devices)
  File "/snap/ubuntu-desktop-installer/181/lib/python3.8/site-packages/curtin/block/clear_holders.py", line 638, in clear_holders
    shutdown_function(dev_info['device'])
  File "/snap/ubuntu-desktop-installer/181/lib/python3.8/site-packages/curtin/block/clear_holders.py", line 244, in wipe_superblock
    if block.is_extended_partition(blockdev):
  File "/snap/ubuntu-desktop-installer/181/lib/python3.8/site-packages/curtin/block/__init__.py", line 1085, in is_extended_partition
    return (get_part_table_type(parent_dev) in ['dos', 'msdos'] and
  File "/snap/ubuntu-desktop-installer/181/lib/python3.8/site-packages/curtin/block/__init__.py", line 1027, in get_part_table_type
    return ('gpt' if check_efi_signature(device) else
  File "/snap/ubuntu-desktop-installer/181/lib/python3.8/site-packages/curtin/block/__init__.py", line 1059, in check_efi_signature
    sector_size = get_blockdev_sector_size(devname)[0]
  File "/snap/ubuntu-desktop-installer/181/lib/python3.8/site-packages/curtin/block/__init__.py", line 786, in get_blockdev_sector_size
    logical = info[parent]['LOG-SEC']
KeyError: 'LOG-SEC'