Bump pep8 to 1.2
Bump pep8 to 1.2

Align it with outher openstack projects.

Change-Id: I71a4b3303a354c0483c5da6a786ee6ae39388c77
Signed-off-by: Chuck Short <753a8074f04ffd62a8fff7516e3ae689be8e35ad@canonical.com>

eayunstack/python-cinderclient,JioCloud/python-cinderclient,citrix-openstack-build/python-cinderclient,swamireddy/python-cinderclient,ntt-sic/python-cinderclient,ntt-sic/python-cinderclient,scottdangelo/cinderclient-api-microversions,varunarya10/python-cinderclient,varunarya10/python-cinderclient,metacloud/python-cinderclient,eayunstack/python-cinderclient,swamireddy/python-cinderclient,JioCloud/python-cinderclient,metacloud/python-cinderclient,citrix-openstack-build/python-cinderclient,scottdangelo/cinderclient-api-microversions