lib/bindata/delayed_io.rb in bindata-2.3.4 vs lib/bindata/delayed_io.rb in bindata-2.3.5

@@ -157,9 +157,11 @@
       # The +auto_call_delayed_io+ keyword sets a data object tree to perform
       # multi pass I/O automatically.
       def auto_call_delayed_io
         include AutoCallDelayedIO
 
+        return if DelayedIO.method_defined? :initialize_instance_without_record_io
+
         DelayedIO.send(:alias_method, :initialize_instance_without_record_io, :initialize_instance)
         DelayedIO.send(:define_method, :initialize_instance) do
           if @parent && !defined? @delayed_io_recorded
             @delayed_io_recorded = true
             list = top_level_get(:delayed_ios)