From b9127dd6eedd693cfd716a4444648864e2e00186 Mon Sep 17 00:00:00 2001
From: Yurii Karabas <1998uriyyo@gmail.com>
Date: Wed, 25 Nov 2020 13:50:44 +0200
Subject: bpo-42392: Improve removal of *loop* parameter in asyncio primitives
 (GH-23499)

* Update code after merge review from 1st1

* Use a sentinel approach for loop parameter
Remove unnecessary _get_running_loop patching

* Use more clear function name (_verify_parameter_is_marker -> _verify_no_loop)

* Add init method to _LoopBoundMixin to check that loop param wasn't used
---
 Lib/asyncio/queues.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'Lib/asyncio/queues.py')

diff --git a/Lib/asyncio/queues.py b/Lib/asyncio/queues.py
index 78ae9e99cc..a87ec8b215 100644
--- a/Lib/asyncio/queues.py
+++ b/Lib/asyncio/queues.py
@@ -17,7 +17,7 @@ class QueueFull(Exception):
     pass
 
 
-class Queue(mixins._LoopBoundedMixin):
+class Queue(mixins._LoopBoundMixin):
     """A queue, useful for coordinating producer and consumer coroutines.
 
     If maxsize is less than or equal to zero, the queue size is infinite. If it
@@ -29,7 +29,8 @@ class Queue(mixins._LoopBoundedMixin):
     interrupted between calling qsize() and doing an operation on the Queue.
     """
 
-    def __init__(self, maxsize=0):
+    def __init__(self, maxsize=0, *, loop=mixins._marker):
+        super().__init__(loop=loop)
         self._maxsize = maxsize
 
         # Futures.
-- 
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