Mute 3.12.2 error

src/prefect/logging/handlers.py

@@ -108,8 +108,8 @@ def flush(cls):
                 )
 
             # Not ideal, but this method is called by the stdlib and cannot return a
-            # coroutine so we just schedule the drain in a new thread and continue
-            from_sync.call_soon_in_new_thread(create_call(APILogWorker.drain_all))
+            # coroutine so we just schedule the drain in the global loop thread and continue
+            from_sync.call_soon_in_loop_thread(create_call(APILogWorker.drain_all))
             return None
         else:
             # We set a timeout of 5s because we don't want to block forever if the worker

src/prefect/server/models/logs.py

@@ -42,7 +42,18 @@ async def create_logs(
     Returns:
         None
     """
-    await session.execute(db.insert(db.Log).values([log.model_dump() for log in logs]))
+    try:
+        await session.execute(
+            db.insert(db.Log).values([log.model_dump() for log in logs])
+        )
+    except RuntimeError as exc:
+        if "can't create new thread at interpreter shutdown" in str(exc):
+            # Background logs sometimes fail to write when the interpreter is shutting down.
+            # This is a known issue in Python 3.12.2 that can be ignored and is fixed in Python 3.12.3.
+            # see e.g. https://github.com/python/cpython/issues/113964
+            pass
+        else:
+            raise
 
 
 @inject_db