From 86fc418050cefcfb0dff0bbdb0226059101acc76 Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <jgbt@protonmail.com>
Date: Wed, 28 Apr 2021 11:38:55 -0400
Subject: [PATCH] Error on bad registry pops

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

diff --git a/tractor/_actor.py b/tractor/_actor.py
index 6333091..8601e83 100644
--- a/tractor/_actor.py
+++ b/tractor/_actor.py
@@ -1093,4 +1093,4 @@ class Arbiter(Actor):
                 event.set()
 
     async def unregister_actor(self, uid: Tuple[str, str]) -> None:
-        self._registry.pop(uid, None)
+        self._registry.pop(uid)