rootwrap: Avoid PEP8 errors on name replacement

Avoid triggering PEP8 errors when "oslo" is replaced by the project
name in oslo-rootwrap. Made necessary by "cinder", but tested
compatible with "ceilometer".

Change-Id: I9a1e25ec58e8b1e833c00f6cbb2083f967cbef76
Merge "rootwrap: Avoid PEP8 errors on name replacement"