py: add dict length function, and fix rt_store_set.
diff --git a/py/showbc.c b/py/showbc.c
index 20a9790..480dc1c 100644
--- a/py/showbc.c
+++ b/py/showbc.c
@@ -279,21 +279,17 @@
rt_store_map(sp[unum + 1], sp[0], sp[1]);
sp += 2;
break;
+ */
case MP_BC_BUILD_SET:
DECODE_UINT;
- obj1 = rt_build_set(unum, sp);
- sp += unum - 1;
- *sp = obj1;
+ printf("BUILD_SET %lu", unum);
break;
case MP_BC_SET_ADD:
DECODE_UINT;
- // I think it's guaranteed by the compiler that sp[unum] is a set
- rt_store_set(sp[unum], sp[0]);
- sp++;
+ printf("SET_ADD %lu", unum);
break;
- */
case MP_BC_UNPACK_SEQUENCE:
DECODE_UINT;