Message6295

It seems the original jsr223 impl had a similar issue to this one:

https://scripting.dev.java.net/issues/show_bug.cgi?id=5

Its fix (which was really for Jython 2.2) basically added this line to __setitem__

            if (!(obj instanceof PyClass)) {
                obj = JythonScriptEngine.py2java(value);
            }

This isn't the most efficient fix in the world (adding an instanceof check for any kind of assignment). But whatever -- I propose the attached patch with a similar fix