Index: dialin/dg/valves.py
===================================================================
diff -u -rfb9052e39fb778d3d029eda4d6917a0a1fcb9cbd -rd025f73c8fce9bc87364e625db92c4ba07a66904
--- dialin/dg/valves.py	(.../valves.py)	(revision fb9052e39fb778d3d029eda4d6917a0a1fcb9cbd)
+++ dialin/dg/valves.py	(.../valves.py)	(revision d025f73c8fce9bc87364e625db92c4ba07a66904)
@@ -173,7 +173,6 @@
         result = sorted(result, key=lambda each: each[1])
         return result
 
-
     def _binary_to_valve_state(self, binary):
         """
         @param binary: binary value
Index: dialin/utils/base.py
===================================================================
diff -u -rfb9052e39fb778d3d029eda4d6917a0a1fcb9cbd -rd025f73c8fce9bc87364e625db92c4ba07a66904
--- dialin/utils/base.py	(.../base.py)	(revision fb9052e39fb778d3d029eda4d6917a0a1fcb9cbd)
+++ dialin/utils/base.py	(.../base.py)	(revision d025f73c8fce9bc87364e625db92c4ba07a66904)
@@ -1,3 +1,19 @@
+###########################################################################
+#
+#  Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
+#
+#  THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
+#  WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
+#
+#  @file base.py
+#
+#  @date 20-July-2020
+#  @author P. Lucia
+#
+#  @brief Contains base classes for Dialin API sub systems and observers
+#
+#
+############################################################################
 from abc import ABC, abstractmethod
 from datetime import datetime
 import os
@@ -218,5 +234,3 @@
         return _wrapper
 
     return _decorator
-
-