'flake8==3.6.*' to resolve pycodestyle conflict
'flake8==3.6.*' to resolve pycodestyle conflict

This needs to be revisited again in the future, for now get it out of
the way of making progress on other branches.

    flake8 3.7.5 has requirement pycodestyle<2.6.0,>=2.5.0, but you have pycodestyle 2.4.0.

aevri/mel,aevri/mel