class_inherits_from_params_class throws exception in 0.3.0

[dcarley]

The following simple class:

# Class: foo::bar
#
# blah blah
#
class foo::bar inherits foo {}

Raises this error with 0.3.0:

dan@dan-MBP ~/projects/vagrant/civitas/puppet $ puppet-lint test.pp 
/home/dan/projects/vagrant/civitas/puppet/vendor/gems/puppet-lint-0.3.0/bin/../lib/puppet-lint/plugins/check_classes.rb:76:in `lint_check_class_inherits_from_params_class': undefined method `value' for nil:NilClass (NoMethodError)
        from /home/dan/projects/vagrant/civitas/puppet/vendor/gems/puppet-lint-0.3.0/bin/../lib/puppet-lint/plugins/check_classes.rb:71:in `each'
        from /home/dan/projects/vagrant/civitas/puppet/vendor/gems/puppet-lint-0.3.0/bin/../lib/puppet-lint/plugins/check_classes.rb:71:in `lint_check_class_inherits_from_params_class'
        from /home/dan/projects/vagrant/civitas/puppet/vendor/gems/puppet-lint-0.3.0/bin/../lib/puppet-lint/plugin.rb:49:in `send'
        from /home/dan/projects/vagrant/civitas/puppet/vendor/gems/puppet-lint-0.3.0/bin/../lib/puppet-lint/plugin.rb:49:in `run'
        from /home/dan/projects/vagrant/civitas/puppet/vendor/gems/puppet-lint-0.3.0/bin/../lib/puppet-lint/plugin.rb:47:in `each'
        from /home/dan/projects/vagrant/civitas/puppet/vendor/gems/puppet-lint-0.3.0/bin/../lib/puppet-lint/plugin.rb:47:in `run'
        from /home/dan/projects/vagrant/civitas/puppet/vendor/gems/puppet-lint-0.3.0/bin/../lib/puppet-lint.rb:155:in `run'
        from /home/dan/projects/vagrant/civitas/puppet/vendor/gems/puppet-lint-0.3.0/bin/../lib/puppet-lint/bin.rb:106:in `run'
        from /home/dan/projects/vagrant/civitas/puppet/vendor/gems/puppet-lint-0.3.0/bin/../lib/puppet-lint/bin.rb:103:in `each'
        from /home/dan/projects/vagrant/civitas/puppet/vendor/gems/puppet-lint-0.3.0/bin/../lib/puppet-lint/bin.rb:103:in `run'
        from /home/dan/projects/vagrant/civitas/puppet/vendor/gems/puppet-lint-0.3.0/bin/puppet-lint:7
        from /home/dan/projects/vagrant/civitas/puppet/vendor/bin/puppet-lint:19:in `load'
        from /home/dan/projects/vagrant/civitas/puppet/vendor/bin/puppet-lint:19

Some different combinations of comments at the top of the class file prevent this from happening.

[dcarley]

Thanks guys!