diff --git a/nrm/aci.py b/nrm/aci.py
index bce4eb027fda342947de6d858e588c669099dda8..55c80f1869ba899fb04ee8a765f73a6c95834158 100644
--- a/nrm/aci.py
+++ b/nrm/aci.py
@@ -125,6 +125,7 @@ class Container(SpecField):
         """Load container information."""
         return super(Container, self).load(data)
 
+
 class PerfWrapper(SpecField):
 
     """Information on whether to use perf for a container."""
@@ -147,6 +148,7 @@ class PerfWrapper(SpecField):
             return False
         return True
 
+
 class IsolatorList(SpecField):
 
     """Represent the list of isolator in a Manifest."""
diff --git a/nrm/controller.py b/nrm/controller.py
index 564a1fbb4c30aa46df92ceffb2a94a205899f53c..9d7fd05f6e5431593e411d08f62ac5031655a745 100644
--- a/nrm/controller.py
+++ b/nrm/controller.py
@@ -74,7 +74,8 @@ class PowerActuator(object):
         return actions
 
     def execute(self, action):
-        logger.info("changing power limit: %r, %r", action.command, action.delta)
+        logger.info("changing power limit: %r, %r", action.command,
+                    action.delta)
         self.sensor_manager.set_powerlimit(action.target, action.command)
 
     def update(self, action):