from yardstick.benchmark.contexts.base import Context
from yardstick.benchmark.scenarios.networking.vnf_generic import find_relative_file
from yardstick.common import exceptions as y_exceptions
from yardstick.common.process import check_if_process_failed
from yardstick.benchmark.contexts.base import Context
from yardstick.benchmark.scenarios.networking.vnf_generic import find_relative_file
from yardstick.common import exceptions as y_exceptions
from yardstick.common.process import check_if_process_failed
from yardstick.network_services.helpers.samplevnf_helper import PortPairs
from yardstick.network_services.helpers.samplevnf_helper import MultiPortConfig
from yardstick.network_services.helpers.samplevnf_helper import PortPairs
from yardstick.network_services.helpers.samplevnf_helper import MultiPortConfig
-from yardstick.network_services.utils import get_nsb_option
-
-from trex_stl_lib.trex_stl_client import STLClient
-from trex_stl_lib.trex_stl_client import LoggerApi
-from trex_stl_lib.trex_stl_exceptions import STLError
-
+from yardstick.network_services.vnf_generic.vnf.base import QueueFileWrapper