Update flake8-isort from 2.6.0 to 2.7.0
Update flake8-isort from 2.6.0 to 2.7.0
mozilla/addons-frontend,kumar303/addons-frontend,mozilla/addons-frontend,kumar303/addons-frontend,kumar303/addons-frontend,mozilla/addons-frontend,kumar303/addons-frontend,mozilla/addons-frontend