Index: dialin/hd/air_pump.py
===================================================================
diff -u -reed13ddfba5bd65563145b6e5b9a882da851878e -ra52c3b81f28b12b20f26b785bab219eddeaba5a0
--- dialin/hd/air_pump.py	(.../air_pump.py)	(revision eed13ddfba5bd65563145b6e5b9a882da851878e)
+++ dialin/hd/air_pump.py	(.../air_pump.py)	(revision a52c3b81f28b12b20f26b785bab219eddeaba5a0)
@@ -52,6 +52,10 @@
     def get_air_pump_state(self):
         """
         Gets the air pump state
+            AIR_PUMP_STATE_INIT = 0,        ///< Air Pump Initialize state
+            AIR_PUMP_STATE_OFF,             ///< Air Pump Off state
+            AIR_PUMP_STATE_ON,              ///< Air Pump On state
+            NUM_OF_AIR_PUMP_STATES,         ///< Number of air pump states
 
         @return: the current air pump state.
         """
@@ -74,6 +78,11 @@
     def cmd_air_pump_set_state(self, state: int) -> int:
         """
         Constructs and sends the air pump set state command.
+            AIR_PUMP_STATE_INIT = 0,        ///< Air Pump Initialize state
+            AIR_PUMP_STATE_OFF,             ///< Air Pump Off state
+            AIR_PUMP_STATE_ON,              ///< Air Pump On state
+            NUM_OF_AIR_PUMP_STATES,         ///< Number of air pump states
+            
         Constraints:
             Must be logged into HD.
 
Index: dialin/hd/pressure_occlusion.py
===================================================================
diff -u -r36a7662dc9d72a7aa3eba334b5194cb1415fcd81 -ra52c3b81f28b12b20f26b785bab219eddeaba5a0
--- dialin/hd/pressure_occlusion.py	(.../pressure_occlusion.py)	(revision 36a7662dc9d72a7aa3eba334b5194cb1415fcd81)
+++ dialin/hd/pressure_occlusion.py	(.../pressure_occlusion.py)	(revision a52c3b81f28b12b20f26b785bab219eddeaba5a0)
@@ -93,10 +93,6 @@
             message['message'][MsgFieldPositions.START_POS_FIELD_2:MsgFieldPositions.END_POS_FIELD_2]))
         bp = struct.unpack('i', bytearray(
             message['message'][MsgFieldPositions.START_POS_FIELD_3:MsgFieldPositions.END_POS_FIELD_3]))
-        dpi = struct.unpack('i', bytearray(
-            message['message'][MsgFieldPositions.START_POS_FIELD_4:MsgFieldPositions.END_POS_FIELD_4]))
-        dpo = struct.unpack('i', bytearray(
-            message['message'][MsgFieldPositions.START_POS_FIELD_5:MsgFieldPositions.END_POS_FIELD_5]))
 
         self.arterial_pressure = art[0]
         self.venous_pressure = ven[0]