Alternative fix in parser frontend

lib/parsers/parser_front_end.rb

@@ -47,7 +47,7 @@ module ParserFrontEnd
         ret = ''
         part = PagePart.find(front['part_id']) if front['part_id']
         ret << eval("\"#{front['path']}\"") rescue ''
-        ret << (ret.include?("?") ? "&#{args.to_param}" : "?#{args.to_param}") unless args.nil?
+        ret << (ret.include?("?") ? "&#{args.to_param}" : "?#{args.to_param}") if args.present?
         fragment = Nokogiri::HTML::DocumentFragment.new(body, "<div class='dymanic_load widget' path='#{ret}'></div>")
       end
       front.swap(fragment)