How to use the jeepney.auth.make_auth_external function in jeepney

from lazagne.config.module_info import ModuleInfo
from lazagne.config import homes
from binascii import hexlify
import traceback

try:
    import jeepney.auth
# except ImportError:
except Exception:
    pass
else:
    # Thanks to @mitya57 for its Work around 
    def make_auth_external():
        hex_uid = hexlify(str(make_auth_external.uid).encode('ascii'))
        return b'AUTH EXTERNAL %b\r\n' % hex_uid
    jeepney.auth.make_auth_external = make_auth_external


class Libsecret(ModuleInfo):
    def __init__(self):
        ModuleInfo.__init__(self, 'libsecret', 'wallet')

    def run(self):
        items = []
        visited = set()
        try:
            import dbus
            import secretstorage
            import datetime
        except ImportError as e:
            self.error('libsecret: {0}'.format(e))
            return []