Fix incorrect indentations found by Pep 1.4.6+
Fix incorrect indentations found by Pep 1.4.6+

Pep 1.4.5 had several bugs with checking indentation of
hanging and nested sets. Fix fallout.

Change-Id: Ibcb1679e0bd283feb3c1568ba214bc525575fd43

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