Index: Python/ceval.c
===================================================================
RCS file: /projects/cvsroot/python/dist/src/Python/ceval.c,v
retrieving revision 2.145
retrieving revision 2.146
diff -c -r2.145 -r2.146
*** ceval.c	1998/04/10 22:25:29	2.145
--- ceval.c	1998/05/12 20:27:36	2.146
***************
*** 1337,1342 ****
--- 1337,1349 ----
  			continue;
  
  		case DELETE_FAST:
+ 			x = GETLOCAL(oparg);
+ 			if (x == NULL) {
+ 				PyErr_SetObject(PyExc_NameError,
+ 					   PyTuple_GetItem(co->co_varnames,
+ 							oparg));
+ 				break;
+ 			}
  			SETLOCAL(oparg, NULL);
  			continue;