Update __init__.py

removed lines 37 and 38 to make hysteresis work properly.

modules/base_plugins/hysteresis/__init__.py

@@ -34,7 +34,5 @@ class Hysteresis(KettleController):
                 self.heater_on(100)
             elif self.get_temp() >= self.get_target_temp() - float(self.off):
                 self.heater_off()
-            else:
-                self.heater_off()
             self.sleep(1)