Hi Team,

I am getting error during DNF update on AIX 7.3. Can you please check and suggest. 

command: dnf update

warning: [fd 22]: Header V4 RSA/SHA256 Signature, key ID 41eea8e0: NOKEY
AIX 7.3 specific repository                                                                                         3.0 MB/s | 3.1 kB     00:00    
Traceback (most recent call last):
  File "/opt/freeware/bin/dnf", line 59, in <module>
    main.user_main(sys.argv[1:], exit_code=True)
  File "/opt/freeware/lib/python3.9/site-packages/dnf/cli/main.py", line 191, in user_main
    errcode = main(args)
  File "/opt/freeware/lib/python3.9/site-packages/dnf/cli/main.py", line 65, in main
    return _main(base, args, cli_class, option_parser_class)
  File "/opt/freeware/lib/python3.9/site-packages/dnf/cli/main.py", line 98, in _main
    return cli_run(cli, base)
  File "/opt/freeware/lib/python3.9/site-packages/dnf/cli/main.py", line 122, in cli_run
    ret = resolving(cli, base)
  File "/opt/freeware/lib/python3.9/site-packages/dnf/cli/main.py", line 166, in resolving
    base.do_transaction(display=displays)
  File "/opt/freeware/lib/python3.9/site-packages/dnf/cli/cli.py", line 235, in do_transaction
    self.gpgsigcheck(install_pkgs)
  File "/opt/freeware/lib/python3.9/site-packages/dnf/cli/cli.py", line 287, in gpgsigcheck
    self._get_key_for_package(po, fn)
  File "/opt/freeware/lib/python3.9/site-packages/dnf/base.py", line 2313, in _get_key_for_package
    keys = dnf.crypto.retrieve(keyurl, repo)
  File "/opt/freeware/lib/python3.9/site-packages/dnf/crypto.py", line 177, in retrieve
    keyinfos = rawkey2infos(handle)
  File "/opt/freeware/lib/python3.9/site-packages/dnf/crypto.py", line 158, in rawkey2infos
    with pubring_dir(pb_dir), Context() as ctx:
  File "/opt/freeware/lib64/python3.9/site-packages/gpg/core.py", line 220, in __init__
    self.protocol = protocol
  File "/opt/freeware/lib64/python3.9/site-packages/gpg/core.py", line 169, in __setattr__
    super(GpgmeWrapper, self).__setattr__(key, value)
  File "/opt/freeware/lib64/python3.9/site-packages/gpg/core.py", line 1123, in protocol
    errorcheck(gpgme.gpgme_engine_check_version(value))
  File "/opt/freeware/lib64/python3.9/site-packages/gpg/errors.py", line 129, in errorcheck
    raise GPGMEError(retval, extradata)
gpg.errors.GPGMEError: GPGME: Invalid crypto engine