Traceback (most recent call last):
  File "/usr/lib/ubiquity/plugins/ubi-partman.py", line 375, in part_auto_select_drive_changed
    self.set_part_auto_hidden_label()
  File "/usr/lib/ubiquity/plugins/ubi-partman.py", line 247, in set_part_auto_hidden_label
    disk_id = self.get_current_disk_partman_id()
  File "/usr/lib/ubiquity/plugins/ubi-partman.py", line 238, in get_current_disk_partman_id
    partman_id = self.extra_options[self.use_device_choice][val][0]
KeyError: 'Seri\xc3\xable ATA RAID isw_chibghcje_Volume0 (stripe) - 128.0 GB Linux device-mapper (striped)'