From 62501573971a4a9803ff9b5b56a0459408e56d1e Mon Sep 17 00:00:00 2001
From: Master92 <Nils.Friedchen@googlemail.com>
Date: Mon, 16 Sep 2019 13:13:45 +0200
Subject: [PATCH] controller_fan: Declare instance-attribute in __init__

Signed-off-by: Nils Friedchen <Nils.Friedchen@googlemail.com>
---
 klippy/extras/controller_fan.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/klippy/extras/controller_fan.py b/klippy/extras/controller_fan.py
index 414be8de..3c6da5da 100644
--- a/klippy/extras/controller_fan.py
+++ b/klippy/extras/controller_fan.py
@@ -12,6 +12,7 @@ class ControllerFan:
         self.printer = config.get_printer()
         self.printer.register_event_handler("klippy:ready", self.handle_ready)
         self.steppers = []
+        self.heaters = []
         self.fan = fan.PrinterFan(config)
         self.mcu = self.fan.mcu_fan.get_mcu()
         self.max_power = config.getfloat(