From c77746e278dd2dfe07b1c5f37a5f993accfbc58c Mon Sep 17 00:00:00 2001
From: Fabio Manganiello <info@fabiomanganiello.com>
Date: Sun, 4 Sep 2022 16:06:58 +0200
Subject: [PATCH] If the output of a hook is null, make sure to normalize it an
 empty string before pushing it to Redis

---
 platypush/message/event/http/hook.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/platypush/message/event/http/hook.py b/platypush/message/event/http/hook.py
index e6f3861002..134bcfe0bf 100644
--- a/platypush/message/event/http/hook.py
+++ b/platypush/message/event/http/hook.py
@@ -78,6 +78,8 @@ class WebhookEvent(Event):
         if isinstance(output, (dict, list)):
             output = json.dumps(output)
 
+        if output is None:
+            output = ''
         get_redis().rpush(self.args['response_queue'], output)
 
     def wait_response(self, timeout=None):