diff --git a/Makefile b/Makefile
index 3677ed14c3dc0d80ec20ff49db393cc981246f52..350801ba8b99cb9883c1cabbb944488a14f3e9a5 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ MODNAME = $(MAIN:.py=)
 
 default: bin
 	@cp src/*.py bin/${DIRNAME}
-	@echo "#!/usr/bin/env python\nimport sys\nsys.path.append(sys.path[0]+'/${DIRNAME}')\nfrom ${MODNAME} import main\nif __name__ == '__main__':\n    main()\n" > bin/${NAME}
+	@echo "#!/usr/bin/env python3\nimport sys\nsys.path.append(sys.path[0]+'/${DIRNAME}')\nfrom ${MODNAME} import main\nif __name__ == '__main__':\n    main()\n" > bin/${NAME}
 	@chmod +x bin/${NAME} bin/${DIRNAME}/${MAIN}
 
 bin:
diff --git a/src/bcs.py b/src/bcs.py
index 99c79f76da9d39585bc32cd33258090879395b08..cad9daee3523d29800be3118e3db584915073ba0 100755
--- a/src/bcs.py
+++ b/src/bcs.py
@@ -67,7 +67,7 @@ class BCS(PyTango.Device_4Impl):
 #    Device destructor
 #------------------------------------------------------------------
     def delete_device(self):
-        #print "[Device delete_device method] for device",self.get_name()
+        #print ("[Device delete_device method] for device",self.get_name())
         if self.connectionOk:
             self.s.close()
         del self.s
@@ -77,7 +77,7 @@ class BCS(PyTango.Device_4Impl):
 #    Device initialization
 #------------------------------------------------------------------
     def init_device(self):
-        #print "In ", self.get_name(), "::init_device()"
+        #print ("In ", self.get_name(), "::init_device()")
         self.set_state(PyTango.DevState.ON)
         self.get_device_properties(self.get_device_class())
         self.connectionOk = False
@@ -101,7 +101,7 @@ class BCS(PyTango.Device_4Impl):
 #    Read Attribute Hardware
 #------------------------------------------------------------------
     def read_attr_hardware(self,data):
-        #print "In ", self.get_name(), "::read_attr_hardware()"
+        #print ("In ", self.get_name(), "::read_attr_hardware()")
         return
 
 
@@ -109,7 +109,7 @@ class BCS(PyTango.Device_4Impl):
 #    Read Monitoring attribute
 #------------------------------------------------------------------
     def read_ConnectionOK(self, attr):
-        #print "In ", self.get_name(), "::read_Monitoring()"
+        #print ("In ", self.get_name(), "::read_Monitoring()")
         #    Add your own code here
         attr.set_value(self.connectionOk)
 
@@ -128,7 +128,7 @@ class BCS(PyTango.Device_4Impl):
 #    argin:
 #------------------------------------------------------------------
     def WriteRead(self, argin):
-        #print "In ", self.get_name(), "::Acquire()"
+        #print ("In ", self.get_name(), "::Acquire()")
         #    Add your own code here
         reply = None
         if not self.connectToBCS():
@@ -141,7 +141,7 @@ class BCS(PyTango.Device_4Impl):
             if not readable[0]:
                 PyTango.Except.throw_exception("BCS Communication error","Timeout error","WriteRead")
             reply = str(self.s.recv(1024))
-	    self.failures = 0
+            self.failures = 0
         except:
             self.failures += 1
             if self.failures == 10:
@@ -215,7 +215,7 @@ class BCS(PyTango.Device_4Impl):
         bcs_full_cmd = "UES %s %d" % (self.BCS_cmds[attr.get_name()], value_in)
         reply = self.WriteRead(bcs_full_cmd)
         if not "OK" in reply:
-            self.error_stream("BCS Communication error %s" % str(reply))	
+            self.error_stream("BCS Communication error %s" % str(reply))
             PyTango.Except.throw_exception("BCS Communication error",reply,"writedUesToBCS")
 
 #------------------------------------------------------------------
@@ -416,7 +416,7 @@ class BCSClass(PyTango.DeviceClass):
     def __init__(self, name):
         PyTango.DeviceClass.__init__(self, name)
         self.set_type(name);
-        #print "In BCSClass  constructor"
+        #print ("In BCSClass  constructor")
 
 #==================================================================
 #