Hacking contains all needed requirements
Hacking contains all needed requirements

There is no need to directly specify pep8, pyflakes and flake8 versions.

Change-Id: I93e50d50ad37a91c21087e7075dbb2f6dfb80025

citrix-openstack-build/python-saharaclient,openstack/python-saharaclient,citrix-openstack-build/python-saharaclient,citrix-openstack-build/python-saharaclient