ydb/tests/stress/node_broker/tests/test_workload.py:38: [F821] undefined name 'KiKiMR'
ydb/tests/stress/node_broker/tests/test_workload.py:39: [F821] undefined name 'KikimrConfigGenerator'

logsdir:
/home/runner/actions_runner/_work/ydb/ydb/tmp/out/ydb/tests/stress/node_broker/tests/test-results/flake8/testing_out_stuff

setup failed:
ydb/tests/stress/node_broker/tests/test_workload.py:38: in setup_class
    cls.cluster = KiKiMR(
E   NameError: name 'KiKiMR' is not defined

logsdir:
/home/runner/actions_runner/_work/ydb/ydb/tmp/out/ydb/tests/stress/node_broker/tests/test-results/py3test/testing_out_stuff
log:
/home/runner/actions_runner/_work/ydb/ydb/tmp/out/ydb/tests/stress/node_broker/tests/test-results/py3test/testing_out_stuff/test_workload.py.TestDeltaProtocol.test.log