From e93e4521a4d9dcb08c59f2b6dd711a050b192441 Mon Sep 17 00:00:00 2001
From: Arksine <arksine.code@gmail.com>
Date: Tue, 4 Aug 2020 10:17:05 -0400
Subject: [PATCH] websockets:  don't alter dictionary during iteration of
 "view"

Signed-off-by:  Eric Callahan <arksine.code@gmail.com>
---
 moonraker/websockets.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/moonraker/websockets.py b/moonraker/websockets.py
index 3fff19c..5b81dc0 100644
--- a/moonraker/websockets.py
+++ b/moonraker/websockets.py
@@ -178,7 +178,7 @@ class WebsocketManager:
             'method': "notify_" + name,
             'params': [data]})
         async with self.ws_lock:
-            for ws in self.websockets.values():
+            for ws in list(self.websockets.values()):
                 try:
                     ws.write_message(notification)
                 except WebSocketClosedError: