fix *serious* (new) bug in testbool: by default objects should test

gvanrossum · gvanrossum · commit f9a2d33f014a · 1992-08-19T16:41:45.000Z
true, not false!!!
diff --git a/Python/ceval.c b/Python/ceval.c
@@ -1422,7 +1422,7 @@ testbool(v)
 	else if (v->ob_type->tp_as_sequence != NULL)
 		res = (*v->ob_type->tp_as_sequence->sq_length)(v);
 	else
-		res = 0;
+		res = 1;
 	if (res > 0)
 		res = 1;
 	return res;
