import copy
from OpenSSL import crypto
-from oslo.config import cfg
-from oslo.log import log as logging
-from oslo.utils import encodeutils
-from oslo.utils import excutils
+from oslo_config import cfg
+from oslo_log import log as logging
+from oslo_utils import encodeutils
+from oslo_utils import excutils
import six
from webob import exc
from escalator.common import exception