From 40c78940efb9dccf30c862a82095abba9678fd4c Mon Sep 17 00:00:00 2001
From: Jakob Ketterl <jakob.ketterl@gmx.de>
Date: Mon, 10 May 2021 21:27:40 +0200
Subject: [PATCH] don't close twice

---
 owrx/websocket.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/owrx/websocket.py b/owrx/websocket.py
index 65ea7c9..a50fde7 100644
--- a/owrx/websocket.py
+++ b/owrx/websocket.py
@@ -244,6 +244,8 @@ class WebSocketConnection(object):
         self.interruptPipeRecv = None
 
     def close(self):
+        if not self.open:
+            return
         self.open = False
         self.interrupt()