Puppet Agent Fails Due to invalid multibyte char (US-ASCII)

Description of problem

When using this module on Debian Servers with UTF-8 locales set, errors are raised regarding characters not present in UTF-8 charset.

Expected Behavior

Puppet run finishes without errors

Current Behavior

During the puppet run, the catalog is not compiled due to an error from non-UTF-8 characters.

Info: Using configured environment 'feature_add_sensugo'
Info: Retrieving pluginfacts
Info: Retrieving plugin
Info: Loading facts
Error: Could not retrieve catalog from remote server: Error 500 on SERVER: {"message":"Server Error: Evaluation Error: Error while evaluating a Type-Name, Could not autoload puppet/type/sensu_user: /etc/puppetlabs/code/environments/feature_add_sensugo/modules/sensu/lib/puppet/type/sensu_user.rb:85: invalid multibyte char (US-ASCII) at /etc/puppetlabs/code/environments/feature_add_sensugo/modules/sensu/manifests/backend/tessen.pp:20:7 on node rtesrv5.reliant","issue_kind":"RUNTIME_ERROR","stacktrace":["Warning: The 'stacktrace' property is deprecated and will be removed in a future version of Puppet. For security reasons, stacktraces are not returned with Puppet HTTP Error responses."]}
Warning: Not using cache on failed catalog
Error: Could not retrieve catalog; skipping run

Steps to Reproduce

Puppet Server on a Debian machine configured with the module and LANG=en_US.UTF-8 as the system locale.
Generate types (it will show errors regarding the chars not in UTF-8)
Execute puppet agent on a debian node.

Command used and debugging output

Master based puppet setup.

Platform and version information

Your OS: Debian Jessy 8.7
Your Ruby version: 2.1.5p273
Your version of Puppet: 4.10.12
Your version of Sensu: 5.14.1-6721
Your version of this module: v3.8.0 and v4.5.1

Anything else to add that you think will be helpful?

Possible Solution: Remove char ’ from the code.

Links:

sensu-puppet/lib/puppet/type/sensu_filter.rb

Line 67 in 1b83daf

desc "Assets to be applied to the filter’s execution context."

sensu-puppet/lib/puppet/type/sensu_hook.rb

Line 65 in 1b83daf

    
           desc "If the Sensu agent writes JSON serialized Sensu entity and check data to the command process’ STDIN."

sensu-puppet/lib/puppet/type/sensu_user.rb

Line 89 in 1b83daf

desc "The state of the user’s account."

The fix is simple but FYI that we don't officially support Puppet 4, only Puppet >= 5.0.0. I think Puppet 4 is also EOL. I'd recommend updating your Puppet install.

Thanks for the advice, we are migrating but it is a work in progress. Regardless, I did a PR with the fix. Thanks for the fast reply btw.