app/lib/katello/util/cdn_var_substitutor.rb in katello-3.10.0 vs app/lib/katello/util/cdn_var_substitutor.rb in katello-3.10.1

@@ -58,10 +58,11 @@
         resolved = paths_with_substitutions - to_resolve
 
         return resolved if to_resolve.empty?
 
         futures = to_resolve.map do |path_with_substitution|
-          Concurrent.future do
+          future_namespace = defined?(Concurrent::Promises) ? Concurrent::Promises : Concurrent
+          future_namespace.future do
             path_with_substitution.resolve_substitutions(@resource)
           end
         end
 
         futures.each do |future|