Update hacking version

Use latest release 1.1.0 and compatible changes w.r.t pep8

Change-Id: Iec0c74ab679d6046b12f1d16ecd5cb6dfa74b3ed

README.rst

@@ -7,9 +7,9 @@ Team and repository tags
 
 .. Change things from this point on
 
-==================
+=================
  oslo.concurrency
-==================
+=================
 
 .. image:: https://img.shields.io/pypi/v/oslo.concurrency.svg
     :target: https://pypi.org/project/oslo.concurrency/

oslo_concurrency/opts.py

@@ -12,17 +12,15 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import copy
+
+from oslo_concurrency import lockutils
 
 __all__ = [
     'list_opts',
 ]
 
 
-import copy
-
-from oslo_concurrency import lockutils
-
-
 def list_opts():
     """Return a list of oslo.config options available in the library.
 

test-requirements.txt

@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
+hacking>=1.1.0,<1.2.0 # Apache-2.0
 oslotest>=3.2.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
 futures>=3.0.0;python_version=='2.7' or python_version=='2.6' # BSD