From 4c712a8e4799fc7e8dd6af200ecf02765cd281b6 Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <jgbt@protonmail.com>
Date: Tue, 25 May 2021 09:19:07 -0400
Subject: [PATCH] Support no arg to `Context.started()` like trio

---
 tractor/_streaming.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tractor/_streaming.py b/tractor/_streaming.py
index 085d994..fb5f8a8 100644
--- a/tractor/_streaming.py
+++ b/tractor/_streaming.py
@@ -339,7 +339,7 @@ class Context:
                 if self._portal:
                     self._portal._streams.remove(rchan)
 
-    async def started(self, value: Any) -> None:
+    async def started(self, value: Optional[Any] = None) -> None:
 
         if self._portal:
             raise RuntimeError(