import eventlet
-from oslo_service import systemd
-from oslo_config import cfg
-from oslo_log import log as logging
+from oslo.service import systemd
+from oslo.config import cfg
+from oslo.log import log as logging
import osprofiler.notifier
import osprofiler.web
-from escalator.common import utils
from escalator.common import config
-from escalator.common import exception
from escalator.common import wsgi
from escalator import notifier