lib/rubocop/cop/bundler/duplicated_group.rb in rubocop-1.56.2 vs lib/rubocop/cop/bundler/duplicated_group.rb in rubocop-1.56.3

@@ -115,10 +115,10 @@
         def group_attributes(node)
           node.arguments.map do |argument|
             if argument.hash_type?
               argument.pairs.map(&:source).sort.join(', ')
             else
-              argument.value.to_s
+              argument.respond_to?(:value) ? argument.value.to_s : argument.source
             end
           end
         end
       end
     end