From 8efa5e2db4ad63cb2d2fb9cb72cfe348271f4fce Mon Sep 17 00:00:00 2001
From: Kevin O'Connor <kevin@koconnor.net>
Date: Thu, 14 Nov 2019 18:05:32 -0500
Subject: [PATCH] stepper_enable: Raise an error on bad lookup_enable() call

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
---
 klippy/extras/stepper_enable.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/klippy/extras/stepper_enable.py b/klippy/extras/stepper_enable.py
index e02563fb..a21c0f98 100644
--- a/klippy/extras/stepper_enable.py
+++ b/klippy/extras/stepper_enable.py
@@ -95,6 +95,8 @@ class PrinterStepperEnable:
         # Turn off motors
         self.motor_off()
     def lookup_enable(self, name):
+        if name not in self.enable_lines:
+            raise self.printer.config_error("Unknown stepper '%s'" % (name,))
         return self.enable_lines[name]
 
 def load_config(config):