gh-127949: deprecate asyncio.set_event_loop_policy (#128024)

kumaraditya303 · cjw296 · commit 9e3f49cd664d · 2025-03-03T12:17:54.000Z
First step towards deprecating the asyncio policy system.
This deprecates `asyncio.set_event_loop_policy` and will be removed in Python 3.16.

Backports: 5892853fb71acd6530e1e241a9a4bcf71a61fb21
Signed-off-by: Chris Withers &lt;chris@withers.org&gt;
diff --git a/mock/tests/testasync.py b/mock/tests/testasync.py
@@ -25,7 +25,7 @@ def run(main):
 
 
 def tearDownModule():
-    asyncio.set_event_loop_policy(None)
+    asyncio._set_event_loop_policy(None)
 
 
 class AsyncClass:
