cleanup tools/run_tests directory
diff --git a/tools/run_tests/task_runner.py b/tools/run_tests/task_runner.py
index 2e3fa44..fdc4668 100755
--- a/tools/run_tests/task_runner.py
+++ b/tools/run_tests/task_runner.py
@@ -33,14 +33,13 @@
from __future__ import print_function
import argparse
-import atexit
-import jobset
import multiprocessing
import sys
-import artifact_targets
-import distribtest_targets
-import package_targets
+import artifacts.artifact_targets as artifact_targets
+import artifacts.distribtest_targets as distribtest_targets
+import artifacts.package_targets as package_targets
+import python_utils.jobset as jobset
_TARGETS = []
_TARGETS += artifact_targets.targets()