# under the License.
#
##
-import logging
+
from http import HTTPStatus
-from osm_ro_plugin.sdnconn import SdnConnectorBase, SdnConnectorError
+import logging
from uuid import uuid4
+from osm_ro_plugin.sdnconn import SdnConnectorBase, SdnConnectorError
+
+
"""
Implement an Abstract class 'OpenflowConn' and an engine 'SdnConnectorOpenFlow' used for base class for SDN plugings
that implements a pro-active opeflow rules.