From 4ebf8338d4920b137e34dfb72256c60cd232f20a Mon Sep 17 00:00:00 2001
From: Jonathan Dung <jonathandung@yahoo.com>
Date: Wed, 13 May 2026 19:57:24 +0800
Subject: [PATCH] commit

---
 tornado/platform/asyncio.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tornado/platform/asyncio.py b/tornado/platform/asyncio.py
index b7b63d199..fc20661bd 100644
--- a/tornado/platform/asyncio.py
+++ b/tornado/platform/asyncio.py
@@ -52,6 +52,8 @@
 class _HasFileno(Protocol):
     def fileno(self) -> int:
         pass
+    def __hash__(self) -> int:
+        pass
 
 
 _FileDescriptorLike = Union[int, _HasFileno]