rspec-puppet coverage failure

$ rake spec
librarian-puppet install --path=spec/fixtures/modules/
/usr/bin/ruby -S rspec spec/classes/server/db/oracle_spec.rb spec/classes/server/linux_spec.rb spec/classes/util/linux/facts_spec.rb spec/classes/util/linux/motd_spec.rb spec/defines/util/linux/add_group_spec.rb spec/defines/util/linux/add_user_spec.rb spec/defines/util/linux/motd/add_spec.rb --color
.........................................

Finished in 32.94 seconds
41 examples, 0 failures
/home/gavinw/gems/gems/rspec-puppet-1.0.2/lib/rspec-puppet/coverage.rb:40:in `round': wrong number of arguments (1 for 0) (ArgumentError)
        from /home/gavinw/gems/gems/rspec-puppet-1.0.2/lib/rspec-puppet/coverage.rb:40:in `report!'
        from /home/gavinw/module-dev/act-config/spec/defines/util/linux/add_user_spec.rb:29
rake aborted!
/usr/bin/ruby -S rspec spec/classes/server/db/oracle_spec.rb spec/classes/server/linux_spec.rb spec/classes/util/linux/facts_spec.rb spec/classes/util/linux/motd_spec.rb spec/defines/util/linux/add_group_spec.rb spec/defines/util/linux/add_user_spec.rb spec/defines/util/linux/motd/add_spec.rb --color failed

Tasks: TOP => spec_standalone
(See full trace by running task with --trace)