diff --git a/src/dynamic_graph/entity.py b/src/dynamic_graph/entity.py
index 6e5e2e910628ad2c27c7a9c36ecffbfe87ed0d05..720d691a9d8fcfbcbddf293e92e4092c467cdf3a 100644
--- a/src/dynamic_graph/entity.py
+++ b/src/dynamic_graph/entity.py
@@ -53,7 +53,7 @@ class Entity (object) :
     """
     This class binds dynamicgraph::Entity C++ class
     """
-    
+
     object = None
 
     def __init__(self, className, instanceName):
@@ -73,7 +73,7 @@ class Entity (object) :
         """
         signalPt = wrap.entity_get_signal(self.object, name)
         return signal_base.SignalBase("", signalPt)
-        
+
     def display_signals(self) :
         """
         Write the list of signals into standard output: temporary.
diff --git a/src/entity-py.cc b/src/entity-py.cc
index 29df2840fc40ed7532e66b027723d0cc2895bc3b..0f4efa2c1ad334006fcfa6a29c48965e0f337e86 100644
--- a/src/entity-py.cc
+++ b/src/entity-py.cc
@@ -264,7 +264,7 @@ namespace dynamicgraph {
 	}
 	std::cout << "executeCommand:"<< std::endl;
 	for (unsigned int i=0; i<valueVector.size(); i++) {
-	  std::cout << "  value[" << i << "]=(" 
+	  std::cout << "  value[" << i << "]=("
 		    << valueVector[i] << ")" << std::endl;
 	}
 	command->setParameterValues(valueVector);
@@ -277,7 +277,7 @@ namespace dynamicgraph {
 	}
 	return NULL;
       }
-      
+
       PyObject* listCommands(PyObject* self, PyObject* args)
       {
 	PyObject* object = NULL;