Exclude .ropeproject from flake8 checks
Exclude .ropeproject from flake8 checks

Change-Id: Ic788c49e5e92b171e20fe132829648ff21539e33
Closes-Bug: #1297016

moshele/networking-mlnx,openstack/networking-mlnx,moshele/networking-mlnx-master,stackforge/networking-mlnx,openstack/networking-mlnx,stackforge/networking-mlnx