py: Fix constant folding and inline-asm to work with new async grammar.
diff --git a/py/compile.c b/py/compile.c
index 7366ee1..d40d8a1 100644
--- a/py/compile.c
+++ b/py/compile.c
@@ -1402,8 +1402,7 @@
         mp_parse_node_struct_t *pns_it = (mp_parse_node_struct_t*)pns->nodes[1];
         if (MP_PARSE_NODE_IS_ID(pns_it->nodes[0])
             && MP_PARSE_NODE_LEAF_ARG(pns_it->nodes[0]) == MP_QSTR_range
-            && MP_PARSE_NODE_IS_STRUCT_KIND(pns_it->nodes[1], PN_trailer_paren)
-            && MP_PARSE_NODE_IS_NULL(pns_it->nodes[2])) {
+            && MP_PARSE_NODE_IS_STRUCT_KIND(pns_it->nodes[1], PN_trailer_paren)) {
             mp_parse_node_t pn_range_args = ((mp_parse_node_struct_t*)pns_it->nodes[1])->nodes[0];
             mp_parse_node_t *args;
             int n_args = mp_parse_node_extract_list(&pn_range_args, PN_arglist, &args);
@@ -3186,7 +3185,6 @@
         if (!MP_PARSE_NODE_IS_STRUCT_KIND(pns2->nodes[1], PN_trailer_paren)) {
             goto not_an_instruction;
         }
-        assert(MP_PARSE_NODE_IS_NULL(pns2->nodes[2]));
 
         // parse node looks like an instruction
         // get instruction name and args