jfryman/puppet-nginx — pull request #387 by actown (2014-07-30 18:37:49+00:00)
Title: Allow only internal as a option also.

In the case that you might want to have a location block with just internal as an option you need to get by this error warning. Example output from this branch:
location = /[4-5][0-1][0-9].json {
internal;

}