DNF fails with "local variable 'val' referenced before assignment"

Solution Verified - Updated -

Issue

DNF is not working and fails with the below error:

# dnf repolist
Traceback (most recent call last):
  File "/usr/bin/dnf", line 58, in <module>
    main.user_main(sys.argv[1:], exit_code=True)
  File "/usr/lib/python3.6/site-packages/dnf/cli/main.py", line 201, in user_main
    errcode = main(args)
  File "/usr/lib/python3.6/site-packages/dnf/cli/main.py", line 67, in main
    return _main(base, args, cli_class, option_parser_class)
  File "/usr/lib/python3.6/site-packages/dnf/cli/main.py", line 102, in _main
    cli.configure(list(map(ucd, args)), option_parser())
  File "/usr/lib/python3.6/site-packages/dnf/cli/cli.py", line 799, in configure
    self._read_conf_file(opts.releasever)
  File "/usr/lib/python3.6/site-packages/dnf/cli/cli.py", line 933, in _read_conf_file
    subst.update_from_etc(from_root, varsdir=conf._get_value('varsdir'))
  File "/usr/lib/python3.6/site-packages/dnf/conf/substitutions.py", line 64, in update_from_etc
    self[fsvar] = val
UnboundLocalError: local variable 'val' referenced before assignment

Environment

  • Red Hat Enterprise Linux 8

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