inspektor.style: Update autopep8.parse_args return value

The autopep8.parse_args does not return a tuple anymore,
rather, it returns a namespace object already. Fix it in
inspekt.

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
Inspektor: Update to version 0.1.12

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>