Oracle Linux: Leapp Upgrade failed with error “TypeError: read_config() takes exactly 2 arguments"

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Applies To:

Oracle Cloud Infrastructure
Oracle Linux x86_64

Goal:

Leapp upgrade from Oracle Linux 7 to Oracle Linux 8 fails with error below:

2025-06-14 08:51:21.719 ERROR    PID: 13287 leapp.workflow.FactsCollection: Actor rpm_scanner has crashed: 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