Do not name variables as builtins
Do not name variables as builtins

We should not name anything as a reserved word or builtin where it is
possible. This is the HACKING policy in some of the other projects.

Change-Id: I51978839c107a077701f57d05489c32c6ee84cc7

zzicewind/oslo.log,magic0704/oslo.log,JioCloud/oslo.log,openstack/oslo.log,dims/oslo.log,akash1808/oslo.log,meganjbaker/oslo.log,varunarya10/oslo.log