diff Modules/stropmodule.c Modules/stropmodule.c
*** Modules/stropmodule.c	Thu Aug 22 05:02:25 1996
--- Modules/stropmodule.c	Tue Oct 22 10:20:14 1996
***************
*** 163,168 ****
--- 163,169 ----
  	return NULL;
  }
  
+ PyObject* Py_ReturnMethodError(char*);
  
  static object *
  strop_joinfields(self, args)
***************
*** 189,194 ****
--- 190,202 ----
  	else if (is_tupleobject(seq)) {
  		getitem = gettupleitem;
  		seqlen = gettuplesize(seq);
+ 	}
+ 	else if (PyInstance_Check(seq)) {
+ 		PySequenceMethods* m;
+ 		if(! ((m=seq->ob_type->tp_as_sequence) && m->sq_length && m->sq_item))
+ 			return Py_ReturnMethodError("__getitem__");
+ 		getitem = m->sq_item;
+ 		if ((seqlen=m->sq_length(seq)) < 0) return NULL;
  	}
  	else {
  		err_setstr(TypeError, "first argument must be list/tuple");
diff -c -x ^Make -x \.o$ -x ^conf -r Python1.4beta3/Objects/abstract.c HackedPython/Objects/abstract.c
*** Python1.4beta3/Objects/abstract.c	Thu Aug 22 02:41:43 1996
--- HackedPython/Objects/abstract.c	Tue Oct 22 10:19:35 1996
***************
*** 30,36 ****
  #define Py_ASSERT(EXP,E,V) if(!(EXP)) return PyErr_SetString(E,V), (void*)NULL
  #define SPAM printf("line %d\n",__LINE__)
  
! static PyObject *
  Py_ReturnMethodError(name)
    char *name;
  {
--- 30,36 ----
  #define Py_ASSERT(EXP,E,V) if(!(EXP)) return PyErr_SetString(E,V), (void*)NULL
  #define SPAM printf("line %d\n",__LINE__)
  
! PyObject *
  Py_ReturnMethodError(name)
    char *name;
  {