From b42c82eac211ae5d0a371e59b4d2b539ab0db768 Mon Sep 17 00:00:00 2001
From: Mark Veidemanis <m@zm.is>
Date: Tue, 2 Aug 2022 09:01:24 +0100
Subject: [PATCH] More error handling when joining channels with ChanKeep

---
 modules/chankeep.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules/chankeep.py b/modules/chankeep.py
index dfd334d..a1d13cd 100644
--- a/modules/chankeep.py
+++ b/modules/chankeep.py
@@ -136,6 +136,8 @@ def keepChannels(net, listinfo, mean, sigrelay, relay):
 
 def joinSingle(net, channel):
     eca = emptyChanAllocate(net, [channel], None, [])
+    if not eca:
+        return False
     if not len(eca.keys()) == 1:
         return False
     num = list(eca.keys())[0]