From ab960a8d4772758136c6bde5bfff639481ee9633 Mon Sep 17 00:00:00 2001
From: Benjamin Braatz <benjamin.braatz@graph-it.com>
Date: Wed, 22 Sep 2021 12:12:01 +0200
Subject: [PATCH] Only string-valued states for now (HACK).

---
 controlpi_plugins/graph.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/controlpi_plugins/graph.py b/controlpi_plugins/graph.py
index 99b8283..557b275 100644
--- a/controlpi_plugins/graph.py
+++ b/controlpi_plugins/graph.py
@@ -103,8 +103,8 @@ class Graph(BasePlugin):
         self._states = {}
         for state in self.conf['states']:
             receives.append(MessageTemplate({'sender': {'const': state},
-                                             'state': {}}))
-            self._states[state] = None
+                                             'state': {'type': 'string'}}))
+            self._states[state] = ''
         self.bus.register(self.name, 'Graph',
                           sends, receives, self._receive)
 
-- 
2.34.1