bpo-36373: Deprecate explicit loop parameter in all public asyncio APIs [queue] (GH-13950)
This PR deprecate explicit loop parameters in all public asyncio APIs
This issues is split to be easier to review.
fourth step: queue.py
https://bugs.python.org/issue36373
diff --git a/Lib/asyncio/queues.py b/Lib/asyncio/queues.py
index 2a8d3e7..c96b4a0 100644
--- a/Lib/asyncio/queues.py
+++ b/Lib/asyncio/queues.py
@@ -2,6 +2,7 @@
import collections
import heapq
+import warnings
from . import events
from . import locks
@@ -34,6 +35,9 @@
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.