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-rw-r--r--lib/chef/digester.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/chef/digester.rb b/lib/chef/digester.rb
index 0805bccee3..75c4e76859 100644
--- a/lib/chef/digester.rb
+++ b/lib/chef/digester.rb
@@ -19,6 +19,7 @@
#
require 'openssl'
+require 'singleton'
class Chef
class Digester