def __init__(self, hostname, key, expected_key):
        from reviewboard.ssh.utils import humanize_key

        SSHKeyError.__init__(
            self, hostname, key,
            _("Warning! The host key for server %(hostname)s does not match "
              "the expected key.\n"
              "It's possible that someone is performing a man-in-the-middle "
              "attack. It's also possible that the RSA host key has just "
              "been changed. Please contact your system administrator if "
              "you're not sure. Do not accept this host key unless you're "
              "certain it's safe!")
            / {
                'hostname': hostname,
            })
        self.expected_key = humanize_key(expected_key)
        self.raw_expected_key = expected_key
dataset/ETHPy150Open reviewboard/reviewboard/reviewboard/ssh/errors.py/BadHostKeyError.__init__/operator `%` -> `/`