Don't specify an unused Future

instantiating Future at import will often not work because no event loop is running
minrk · May 12, 2023 · f43379c · f43379c
1 parent 35ffe5d
commit f43379c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/jupyter_server/gateway/connections.py b/jupyter_server/gateway/connections.py
@@ -24,7 +24,7 @@ class GatewayWebSocketConnection(BaseKernelWebsocketConnection):
 
     ws = Instance(klass=tornado_websocket.WebSocketClientConnection, allow_none=True)
 
-    ws_future = Instance(default_value=Future(), klass=Future)
+    ws_future = Instance(klass=Future, allow_none=True)
 
     disconnected = Bool(False)