Update hacking for Python3

The repo is Python 3 now, so update hacking to version 2.0 which
supports Python 3.

blacklist:
W504 line break after binary operator

fix:
E117 over-indented

Change-Id: I5578956c5a3d496f16e41100c5a2f5e99b42f9a7

test-requirements.txt

@@ -1,7 +1,7 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-hacking<0.11,>=0.10.0
+hacking>=2.0,<2.1 # Apache-2.0
 
 # this is required for the tests
 oslotest>=3.2.0 # Apache-2.0

tests/check_osc_commands.py

@@ -169,7 +169,7 @@ def _is_valid_command(ep_name, ep_module_name, valid_cmds):
             if (module_parts[0] == valid_module_parts[0] and
                     module_parts[1] == valid_module_parts[1] and
                     module_parts[3] == valid_module_parts[3]):
-                    return True
+                return True
     return False
 
 

tox.ini

@@ -22,7 +22,7 @@ commands =
   sphinx-build -a -E -W -d doc/build/doctrees -b html doc/source doc/build/html
 
 [flake8]
-ignore = E123,H405
+ignore = E123,H405,W504
 show-source = True
 exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build,__init__.py