flake8==2.0
hacking>=0.8.0,<0.9
pep8==1.4.5
pyflakes>=0.7.2,<0.7.4

hacking>=0.8.0,<0.9

Remove explicit lockdown of flake8
Remove explicit lockdown of flake8

The hacking version should require the proper dep
of flake8, which includes pep8 and pyflakes.

Change-Id: Ia55a7f355e4ddd190d5bb66491ba8f76b0912a3b
