Why leapp upgrade fails with "ValueError: too many values to unpack" for the rpmscanner ?

Issue

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

  Risk Factor: high (error)
  Title: Actor rpm_scanner unexpectedly terminated with exit code: 1
  Summary: Traceback (most recent call last):
   File "/usr/lib/python2.7/site-packages/leapp/repository/actor_definition.py", line 74, in _do_run
     actor_instance.run(*args, **kwargs)
   File "/usr/lib/python2.7/site-packages/leapp/actors/__init__.py", line 289, in run
     self.process(*args)
   File "/usr/share/leapp-repository/repositories/system_upgrade/common/actors/rpmscanner/actor.py", line 20, in 
   process
     rpmscanner.process()
   File "/usr/share/leapp- 
   repository/repositories/system_upgrade/common/actors/rpmscanner/libraries/rpmscanner.py", line 118, in 
   process
     name, version, release, epoch, packager, arch, pgpsig = entry.split('|')
  ValueError: too many values to unpack
  
  Key: 474839c3aa4b047aadb49dc9f932f2d18033ced9