Generalize false positive regular expression for multiple pylint versions

The message was slightly changed between pylint versions 1.1 and 1.2, the
more general regular expression matches both.

Signed-off-by: mulhern <amulhern@redhat.com>
Get rid of remaining uses of spec keyword for Size() in examples directory.

Signed-off-by: mulhern <amulhern@redhat.com>