From 9aa79bfa8916418cdbb664e87549e76efaf39706 Mon Sep 17 00:00:00 2001
From: gryf <gryf73@gmail.com>
Date: Mon, 16 Jul 2018 16:16:03 +0200
Subject: [PATCH] Fix: Ignore deleted channels

---
 slack_backup/client.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/slack_backup/client.py b/slack_backup/client.py
index 837fdc3..94d324f 100644
--- a/slack_backup/client.py
+++ b/slack_backup/client.py
@@ -156,6 +156,10 @@ class Client(object):
             while True:
                 logging.debug("Fetching another portion of messages")
                 messages, latest = self._channels_history(channel, latest)
+                if messages is None:
+                    # ignore deleted channels
+                    break
+
                 result.extend(messages)
 
                 for msg in messages: