Atest: fix line-too-long and relative-import error.
Also, shrink the length of atest_arg_parser.py to make lines shorter
than 80 chars.
Bug: 145644899
Test: None
Change-Id: I1c868e34b5abc96abf9f1fd09de0ceb9071e6b78
diff --git a/atest/unittest_utils.py b/atest/unittest_utils.py
index 605f44d..0dee4ab 100644
--- a/atest/unittest_utils.py
+++ b/atest/unittest_utils.py
@@ -14,6 +14,9 @@
"""Utility functions for unit tests."""
+# pylint: disable=relative-import
+# pylint: disable=line-too-long
+
import os
import constants
