From ddc79c9717d5ef28ca9e140f5708fe9ad7eac28b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Krist=C3=B3f=20T=C3=B3th?= <kristof.toth@avatao.com>
Date: Sun, 5 May 2019 20:57:22 +0200
Subject: [PATCH] Allow subscribing to all ZMQ topics in EventHandlerBase

---
 lib/tfw/event_handler_base.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/tfw/event_handler_base.py b/lib/tfw/event_handler_base.py
index 04bcaf4..6f9819b 100644
--- a/lib/tfw/event_handler_base.py
+++ b/lib/tfw/event_handler_base.py
@@ -55,6 +55,8 @@ class EventHandlerBase(ABC):
         subscribed to 'fsm' will receive 'fsm_update'
         messages as well.
         """
+        if '' in self.keys:
+            return True
         return message['key'] in self.keys
 
     def dispatch_handling(self, message):