Allow manually specifying the node for traceback

trans/transpiler/__init__.py

@@ -42,6 +42,9 @@ def exception_hook(exc_type, exc_value, tb):
         if name == "visit" and (node := local_vars["node"]) and isinstance(node, ast.AST):
             last_node = node
 
+        if node := local_vars.get("TB_NODE", None):
+            last_node = node
+
         if local_vars.get("TB_SKIP", None) and tb.tb_next:
             tb = tb.tb_next
             continue