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-rw-r--r--klippy/extruder.py11
1 files changed, 5 insertions, 6 deletions
diff --git a/klippy/extruder.py b/klippy/extruder.py
index 45ed3bfc..44315f9b 100644
--- a/klippy/extruder.py
+++ b/klippy/extruder.py
@@ -252,11 +252,10 @@ def get_printer_extruders(printer):
return out
def get_printer_heater(printer, name):
- if name == 'heater_bed':
- return printer.objects.get(name)
+ if name == 'heater_bed' and name in printer.objects:
+ return printer.objects[name]
if name == 'extruder':
name = 'extruder0'
- extruder = printer.objects.get(name)
- if extruder is None:
- return None
- return extruder.get_heater()
+ if name.startswith('extruder') and name in printer.objects:
+ return printer.objects[name].get_heater()
+ raise printer.config_error("Unknown heater '%s'" % (name,))