Update hacking for Python3

The repo is Python 3 now, so update hacking to version 3.0 which
supports Python 3.

Blacklist:
W504 line break after binary operator
W503 line break before binary operator

Fix other problems found

Change-Id: I2fb257a4f42b499df3702f3e8f3c99ecb28557d6

2 files changed, 2 insertions, 2 deletions

diff --git a/keystonemiddleware/auth_token/__init__.py b/keystonemiddleware/auth_token/__init__.py
index d961f59..0feed6f 100644
--- a/keystonemiddleware/auth_token/__init__.py
+++ b/keystonemiddleware/auth_token/__init__.py
@@ -822,7 +822,7 @@ class AuthProtocol(BaseAuthProtocol):
         plugin_opts = loading.get_auth_plugin_conf_options(plugin_loader)
 
         self._conf.oslo_conf_obj.register_opts(plugin_opts, group=group)
-        getter = lambda opt: self._conf.get(opt.dest, group=group)
+        getter = lambda opt: self._conf.get(opt.dest, group=group)  # noqa
         return plugin_loader.load_from_options_getter(getter)
 
     def _create_session(self, **kwargs):
diff --git a/keystonemiddleware/tests/unit/utils.py b/keystonemiddleware/tests/unit/utils.py
index 6a07ec1..8b0944f 100644
--- a/keystonemiddleware/tests/unit/utils.py
+++ b/keystonemiddleware/tests/unit/utils.py
@@ -82,7 +82,7 @@ if tuple(sys.version_info)[0:2] < (2, 7):
 class MiddlewareTestCase(BaseTestCase):
 
     def create_middleware(self, cb, **kwargs):
-        raise NotImplemented("implement this in your tests")
+        raise NotImplementedError("implement this in your tests")
 
     def create_simple_middleware(self,
                                  status='200 OK',