Show a user's SSH public key from their LDAP entry.

def show(config, username):  # pragma: no cover
        """Show a user's SSH public key from their LDAP entry."""
        client = Client()
        client.prepare_connection()
        key_api = API(client)
        for key, value in key_api.get_keys_from_ldap(username).items():
            print(value)