class Puma::Launcher::BundlePruner

def extra_runtime_deps_paths
  t = @extra_runtime_dependencies.map do |dep_name|
    if (spec = spec_for_gem(dep_name))
      require_paths_for_gem(spec)
    else
      log "* Could not load extra dependency: #{dep_name}"
      nil
    end
  end
  t.flatten!; t.compact!; t
end