From affbe28e2045098fa5b35236e398c334daeb8d3e Mon Sep 17 00:00:00 2001
From: "Doncho N. Gunchev" <dgunchev@gmail.com>
Date: Wed, 10 Apr 2024 22:46:05 +0300
Subject: [PATCH] Handle message.msg being None in viewer.html

Fixes a TypeError: argument of type 'NoneType' is not iterable for me.
---
 slackviewer/templates/viewer.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/slackviewer/templates/viewer.html b/slackviewer/templates/viewer.html
index 8e17c2f..714752f 100644
--- a/slackviewer/templates/viewer.html
+++ b/slackviewer/templates/viewer.html
@@ -62,7 +62,7 @@ <h3 id="mpim-title">Group Direct Messages</h3>
     <div class="messages">
         {% for message in messages %}
             {% if message.msg or message.files %}
-                {% if "Thread Reply:" in message.msg %}
+                {% if message.msg and "Thread Reply:" in message.msg %}
                     {{render_message(message, None, no_external_references, reply=True)}}
                 {% else %}
                     {{render_message(message, None, no_external_references, reply=False)}}