1 files changed, 4 insertions, 0 deletions
diff --git a/Lib/asyncio/queues.py b/Lib/asyncio/queues.py
index 2a8d3e7604..c96b4a0c1b 100644
--- a/Lib/asyncio/queues.py
+++ b/Lib/asyncio/queues.py
@@ -2,6 +2,7 @@ __all__ = ('Queue', 'PriorityQueue', 'LifoQueue', 'QueueFull', 'QueueEmpty')
 
 import collections
 import heapq
+import warnings
 
 from . import events
 from . import locks
@@ -34,6 +35,9 @@ class Queue:
             self._loop = events.get_event_loop()
         else:
             self._loop = loop
+            warnings.warn("The loop argument is deprecated since Python 3.8, "
+                          "and scheduled for removal in Python 3.10.",
+                          DeprecationWarning, stacklevel=2)
         self._maxsize = maxsize
 
         # Futures.