Augeas no method error

[slntopp]

It can happen that

aug = Augeas.create(:no_modl_autoload => true,
                    :no_load          => true,
                    :root             => work_file_dir,
                    :loadpath         => ONED_CONF)

won't work

Although using aug = Augeas.open(work_file_dir, ONED_CONF) instead does work.

Some work around should be implemented to handle this exception