X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/ce5b35a32be2414c35eada0e8c276ebc57595036..98d6c8c5743e0fd6be85af3b9f30286a358bd1d4:/doc/examples/ruby/list-active-nodes.rb

diff --git a/doc/examples/ruby/list-active-nodes.rb b/doc/examples/ruby/list-active-nodes.rb
index 7a64212989..a3eb20540b 100755
--- a/doc/examples/ruby/list-active-nodes.rb
+++ b/doc/examples/ruby/list-active-nodes.rb
@@ -1,10 +1,13 @@
 #!/usr/bin/env ruby
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: CC-BY-SA-3.0
 
 abort 'Error: Ruby >= 1.9.3 required.' if RUBY_VERSION < '1.9.3'
 
 require 'arvados'
 
-arv = Arvados.new
+arv = Arvados.new(api_version: 'v1')
 arv.node.list[:items].each do |node|
   if node[:crunch_worker_state] != 'down'
     ping_age = (Time.now - Time.parse(node[:last_ping_at])).to_i rescue -1