Re-add missing import for patch

Signed-off-by: Chris Corbyn <[email protected]>

tests/integration/cli_test.py

@@ -1,7 +1,7 @@
 from __future__ import unicode_literals
 from __future__ import absolute_import
 from .testcases import DockerClientTestCase
-#from mock import patch
+from mock import patch
 from fig.cli.main import TopLevelCommand
 from fig.packages.six import StringIO