Traceback (most recent call last):
  File "/usr/lib/live-installer/frontend/gtk_interface.py", line 1219, in wizard_cb
    self.build_partitions()
  File "/usr/lib/live-installer/frontend/gtk_interface.py", line 958, in build_partitions
    partition_setup = PartitionSetup(self)
  File "/usr/lib/live-installer/partitioning.py", line 62, in __init__
    self.disks = self.get_attached_disks()
  File "/usr/lib/live-installer/partitioning.py", line 116, in get_attached_disks
    os.readlink(execute("awk '/^\/dev[^ ]+ \/ /{print $1}' /proc/mounts").stdout.read().strip())).group(1)
OSError: [Errno 2] No such file or directory: ''