leapp upgrade fails with "ValueError: too many values to unpack" for the storage scanner

Issue

• Leapp upgrade fails with ValueError: too many values to unpack

    Traceback (most recent call last):
  File "/usr/lib64/python3.6/multiprocessing/process.py", line 258, in _bootstrap
    self.run()
  File "/usr/lib64/python3.6/multiprocessing/process.py", line 93, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/lib/python3.6/site-packages/leapp/repository/actor_definition.py", line 74, in _do_run
    actor_instance.run(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/leapp/actors/__init__.py", line 289, in run
    self.process(*args)
  File "/etc/leapp/repos.d/system_upgrade/common/actors/storagescanner/actor.py", line 22, in process
    self.produce(storagescanner.get_storage_info())
  File "/etc/leapp/repos.d/system_upgrade/common/actors/storagescanner/libraries/storagescanner.py", line 271, in get_storage_info
    pvs=_get_pvs_info(),
  File "/etc/leapp/repos.d/system_upgrade/common/actors/storagescanner/libraries/storagescanner.py", line 26, in inner
    return list(f(*args, **kwargs))
  File "/etc/leapp/repos.d/system_upgrade/common/actors/storagescanner/libraries/storagescanner.py", line 195, in _get_pvs_info
    pv, vg, fmt, attr, psize, pfree = entry
ValueError: too many values to unpack (expected 6)