From: Chengzzzi <36990436+TnTomato@users.noreply.github.com>
Date: Fri, 11 Aug 2023 09:32:59 +0000 (+0800)
Subject: Fix WebSocketClientConnection parameter
X-Git-Tag: v6.4.0b1~9^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F3308%2Fhead;p=thirdparty%2Ftornado.git

Fix WebSocketClientConnection parameter
---

diff --git a/tornado/websocket.py b/tornado/websocket.py
index 165cc316d..fbfd70088 100644
--- a/tornado/websocket.py
+++ b/tornado/websocket.py
@@ -1357,7 +1357,7 @@ class WebSocketClientConnection(simple_httpclient._HTTPConnection):
         ping_interval: Optional[float] = None,
         ping_timeout: Optional[float] = None,
         max_message_size: int = _default_max_message_size,
-        subprotocols: Optional[List[str]] = [],
+        subprotocols: Optional[List[str]] = None,
         resolver: Optional[Resolver] = None,
     ) -> None:
         self.connect_future = Future()  # type: Future[WebSocketClientConnection]