Run pre-commit on all files

Signed-off-by: Daniel Nephin <dnephin@gmail.com>

tests/unit/cli_test.py

@@ -1,11 +1,12 @@
-from __future__ import unicode_literals
 from __future__ import absolute_import
+from __future__ import unicode_literals
+
 import os
-from .. import unittest
 
 import docker
 import mock
 
+from .. import unittest
 from compose.cli.docopt_command import NoSuchCommand
 from compose.cli.errors import UserError
 from compose.cli.main import TopLevelCommand