From dbe5d96d66ade79e8379ed52c2f9f135885a29b2 Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <jgbt@protonmail.com>
Date: Thu, 4 Nov 2021 11:47:28 -0400
Subject: [PATCH] Fix missing yield in lock acquirer

---
 tractor/_debug.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tractor/_debug.py b/tractor/_debug.py
index 7aac4eb..876e5f1 100644
--- a/tractor/_debug.py
+++ b/tractor/_debug.py
@@ -557,8 +557,13 @@ async def acquire_debug_lock(
     '''
     Grab root's debug lock on entry, release on exit.
 
+    This helper is for actor's who don't actually need
+    to acquired the debugger but want to wait until the
+    lock is free in the tree root.
+
     '''
     if not debug_mode():
+        yield None
         return
 
     async with trio.open_nursery() as n:
@@ -627,4 +632,3 @@ async def maybe_wait_for_debugger(
             log.warning(
                     'Root acquired TTY LOCK'
             )
-            return