diff --git a/tractor/_spawn.py b/tractor/_spawn.py
index b7b93a4..3dce45d 100644
--- a/tractor/_spawn.py
+++ b/tractor/_spawn.py
@@ -192,6 +192,7 @@ async def new_proc(
     _runtime_vars: Dict[str, Any],  # serialized and sent to _child
 
     *,
+
     infect_asyncio: bool = False,
     task_status: TaskStatus[Portal] = trio.TASK_STATUS_IGNORED