diff --git a/frappy_psi/mixins.py b/frappy_psi/mixins.py
index 7e1c137..5e82eac 100644
--- a/frappy_psi/mixins.py
+++ b/frappy_psi/mixins.py
@@ -20,8 +20,8 @@
 #
 # *****************************************************************************
 
-from secop.datatypes import BoolType, EnumType, Enum
-from secop.core import Parameter, Writable, Attached
+from frappy.datatypes import BoolType, EnumType, Enum
+from frappy.core import Parameter, Writable, Attached
 
 
 class HasControlledBy(Writable):
@@ -80,7 +80,7 @@ class HasOutputModule(Writable):
         """
         out = self.output_module
         if out:
-            for name, control_off in out.inputCallbacks.itrems():
+            for name, control_off in out.inputCallbacks.items():
                 if name != self.name:
                     control_off(self.name)
             out.controlled_by = self.name