Update hacking for Python3
The repo is Python 3 now but still tests some older
branches, so update hacking to version 2.0 which
supports Python 2 and 3.
Fix problems found.
Change-Id: I54f1fa0ee72499a740e630bbd3478427babc2ec2
(cherry picked from commit d74b4383d82263a516b42aebf3745344661579d9)
diff --git a/test-requirements.txt b/test-requirements.txt
index 3cd55cb..be225d8 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -3,7 +3,7 @@
# process, which may cause wedges in the gate later.
# Hacking already pins down pep8, pyflakes and flake8
-hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
+hacking>=2.0,<2.1.0 # Apache-2.0
# remove this pyflakes from here once you bump the
# hacking to 3.2.0 or above. hacking 3.2.0 takes
# care of pyflakes version compatibilty.