diff --git a/script/local.py b/script/local.py
index 5f781ab..87ac07e 100644
--- a/script/local.py
+++ b/script/local.py
@@ -10,7 +10,7 @@ class SimulatedEnergy(Writable):
         global energy
         energy = value
 
-    def close():
+    def close(self):
         pass
 
 
@@ -25,7 +25,7 @@ class SimulatedEnergyReadback(Readable):
     def get(self):
         return self.read()
 
-    def close():
+    def close(self):
         pass
 
 sim_energy = SimulatedEnergy()