```ruby
module Serializers
  module Wombat
    class OrderSerializer
      def self.serialize(wombat_order)
        output = {}
        wombat_order.attributes.each do |key, value|
          output[key] = if value.respond_to?(:to_hash)
            value.to_hash
          elsif value.kind_of?(Enumerable)
            value.map do |element|
              element.respond_to?(:to_hash) ? element.to_hash : element
            end
          else
            value
          end
        end
        output
      end
    end
  end
end
```

Remove nesting from wombat order serizalizer
user
```ruby
module Wombat
  class OrderSerializer
    def self.serialize(wombat_order)
      output = {}
      wombat_order.attributes.each do |key, value|
        output[key] = if value.respond_to?(:to_hash)
          value.to_hash
        elsif value.kind_of?(Enumerable)
          value.map do |element|
            element.respond_to?(:to_hash) ? element.to_hash : element
          end
        else
          value
        end
      end
      output
    end
  end
end
```
assistant