move functools import

Author: mr-c

tests/test_examples.py

@@ -1,7 +1,6 @@
 from __future__ import absolute_import
 import unittest
 import pytest
-import functools
 import subprocess
 from os import path
 import sys

tests/util.py

@@ -1,12 +1,13 @@
 from __future__ import absolute_import
 import os
+import functools
 
 from pkg_resources import (Requirement, ResolutionError,  # type: ignore
                            resource_filename)
 import distutils.spawn
 import pytest
 
-from cwltool.utils import onWindows
+from cwltool.utils import onWindows, windows_default_container_id
 from cwltool.factory import Factory
 
 def get_windows_safe_factory(**execkwargs):