Re: not able to install pgadmin4 on RHEL8

This is a question for the pgadmin list, not for the postgresql server list.

[root@ip-172-31-23-124 ~]# yum install pgadmin4
Last metadata expiration check: 0:05:40 ago on Mon 05 Oct 2020 12:48:33 PM UTC.
Error:
 Problem: cannot install the best candidate for the job
  - nothing provides python3-ldap3 >= 2.5.1 needed by pgadmin4-4.26-1.rhel8.x86_64
(try to add '--skip-broken' to skip uninstallable packages or '--nobest' to use not only best candidate packages)

[root@ip-172-31-23-124 ~]# yum install pgadmin4 --nobest

warning: /var/cache/dnf/pgAdmin4-3f941c1e8b601e14/packages/pgadmin4-4.26-1.el8.noarch.rpm: Header V4 RSA/SHA256 Signature, key ID 210976f2: NOKEY
pgadmin4                                                                                   3.8 MB/s | 3.8 kB     00:00
The downloaded packages were saved in cache until the next successful transaction.
You can remove cached packages by executing 'yum clean packages'.
Traceback (most recent call last):
  File "/usr/bin/yum", 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 191, in user_main
    errcode = main(args)
  File "/usr/lib/python3.6/site-packages/dnf/cli/main.py", line 65, in main
    return _main(base, args, cli_class, option_parser_class)
  File "/usr/lib/python3.6/site-packages/dnf/cli/main.py", line 98, in _main
    return cli_run(cli, base)
  File "/usr/lib/python3.6/site-packages/dnf/cli/main.py", line 122, in cli_run
    ret = resolving(cli, base)
  File "/usr/lib/python3.6/site-packages/dnf/cli/main.py", line 166, in resolving
    base.do_transaction(display=displays)
  File "/usr/lib/python3.6/site-packages/dnf/cli/cli.py", line 235, in do_transaction
    self.gpgsigcheck(install_pkgs)
  File "/usr/lib/python3.6/site-packages/dnf/cli/cli.py", line 287, in gpgsigcheck
    self._get_key_for_package(po, fn)
  File "/usr/lib/python3.6/site-packages/dnf/base.py", line 2318, in _get_key_for_package
    keys = dnf.crypto.retrieve(keyurl, repo)
  File "/usr/lib/python3.6/site-packages/dnf/crypto.py", line 177, in retrieve
    keyinfos = rawkey2infos(handle)
  File "/usr/lib/python3.6/site-packages/dnf/crypto.py", line 158, in rawkey2infos
    with pubring_dir(pb_dir), Context() as ctx:
  File "/usr/lib64/python3.6/site-packages/gpg/core.py", line 206, in __init__
    self.protocol = protocol
  File "/usr/lib64/python3.6/site-packages/gpg/core.py", line 161, in __setattr__
    super(GpgmeWrapper, self).__setattr__(key, value)
  File "/usr/lib64/python3.6/site-packages/gpg/core.py", line 885, in protocol
    errorcheck(gpgme.gpgme_engine_check_version(value))
  File "/usr/lib64/python3.6/site-packages/gpg/errors.py", line 120, in errorcheck
    raise GPGMEError(retval, extradata)
gpg.errors.GPGMEError: GPGME: Invalid crypto engine

--

Best Regards,
Ankush Chawla