switch to unittest.mock
We've patched Python 3.6 inside the SDK to include the mock fix we need.
BUG=b:187789661
TEST=CQ passes
Cq-Depend: chromium:2911618
Change-Id: Ib6ba4f9176cf8e121220a3bfe5015dcb5e3d7499
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/2910244
Tested-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Chris McDonald <cjmcdonald@chromium.org>
diff --git a/scripts/cros_generate_sysroot_unittest.py b/scripts/cros_generate_sysroot_unittest.py
index 2b389ce..7e04547 100644
--- a/scripts/cros_generate_sysroot_unittest.py
+++ b/scripts/cros_generate_sysroot_unittest.py
@@ -5,6 +5,7 @@
"""Unittests for cros_generate_sysroot."""
import os
+from unittest import mock
from chromite.lib import constants
from chromite.lib import cros_build_lib
@@ -13,7 +14,6 @@
from chromite.lib import partial_mock
from chromite.lib import sudo
from chromite.scripts import cros_generate_sysroot as cros_gen
-from chromite.third_party import mock
Dir = cros_test_lib.Directory