Get docker-daemon-metrics Check working

I also played around with the VeselaHouba/sensu-plugins-docker. But its also not working.
I get the Error:

internal:/usr/share/rubygems/rubygems/core_ext/kernel_require.rb:148:in require': cannot load such file -- sensu-plugins-docker/client_helpers (LoadError) from <internal:/usr/share/rubygems/rubygems/core_ext/kernel_require.rb>:148:in require’
from /var/cache/sensu/sensu-agent/0781867377a3cc24ee4502e2c2eebb6c46146d13a79a56b8cda06c2252b24a700939c8646ebaf8256a12478bbd95329b7ca581f5926ef364967376a6c4d92429/lib/ruby/2.4.0/bundler/gems/sensu-plugins-docker-5839b7ac2ee1/bin/check-docker-container.rb:40:in <top (required)>' from /var/cache/sensu/sensu-agent/0781867377a3cc24ee4502e2c2eebb6c46146d13a79a56b8cda06c2252b24a700939c8646ebaf8256a12478bbd95329b7ca581f5926ef364967376a6c4d92429/bin/check-docker-container.rb:14:in load’
from /var/cache/sensu/sensu-agent/0781867377a3cc24ee4502e2c2eebb6c46146d13a79a56b8cda06c2252b24a700939c8646ebaf8256a12478bbd95329b7ca581f5926ef364967376a6c4d92429/bin/check-docker-container.rb:14:in `’