diff --git a/src/devices_controller/devices_controller_abstract_component/device_controller_abstract.py b/src/devices_controller/devices_controller_abstract_component/device_controller_abstract.py
index 2f00ab7..ab07458 100755
--- a/src/devices_controller/devices_controller_abstract_component/device_controller_abstract.py
+++ b/src/devices_controller/devices_controller_abstract_component/device_controller_abstract.py
@@ -249,7 +249,8 @@ class DeviceControllerAbstract():
     def uncap_received_data(self, data_received:str):
         return self.my_channel.uncap_received_data(data_received)
     '''
-        
+
+
     def get_utc_date(self):
         return celme.Date("now").iso(0)
         #return celme.Date("now").ymdhms()
@@ -257,13 +258,19 @@ class DeviceControllerAbstract():
 
     def close(self):
         self.my_channel.close()
-                               
-    def is_generic_cmd(self, raw_input_cmd:str):
-        ''' is this a generic command ?
-        
-        :param raw_input_cmd: like 'get ra' or 'set ra 20:00:00' or 'set radec 20:00:00 90:00:00" or 'do park' or 'do_park'...
-        :return either False or (cmd, [values]) with cmd like "get_ra" (using underscore '_' instead of space ' ')
-        '''
+
+
+    def is_generic_cmd(self, raw_input_cmd:str) -> bool:
+        # Using Google documentation format (https://www.sphinx-doc.org/en/master/usage/extensions/example_google.html#example-google) 
+        """ Is this a generic command ?
+
+        Args:
+            raw_input_cmd: a command in raw string format (like 'get ra' or 'set ra 20:00:00' or 'set radec 20:00:00 90:00:00" or 'do park' or 'do_park'...)
+
+        Returns:
+            either False or (cmd, [values]) with cmd like "get_ra" (using underscore '_' instead of space ' ').
+
+        """
         #return cmd.startswith('get_') or cmd.startswith('set_') or cmd.startswith('do_')
         #cmds = ['get ', 'get_', 'set ', 'set_', 'do ', 'do_']
         '''
@@ -295,8 +302,8 @@ class DeviceControllerAbstract():
         if len(cmd_splitted) > 2: values_to_set = cmd_splitted[2:]
         # ex: return "set_radec", ["20:00:00", "90:00:00"]
         return generic_cmd, values_to_set
-        
-        
+
+
     def execute_cmd(self, raw_input_cmd:str)->GenericResult:
         # GENERIC command
         generic_cmd, values = self.is_generic_cmd(raw_input_cmd)
@@ -319,9 +326,19 @@ class DeviceControllerAbstract():
             #print("NATIVE COMMAND")
             res_native = self.execute_native_cmd(raw_input_cmd)
             return GenericResult(res_native)
-    
+
+
     #def execute_native_cmd(self, request:str, awaited_res_if_ok=None)->GenericResult:
-    def execute_native_cmd(self, native_cmd:str)->str:
+    def execute_native_cmd(self, native_cmd:str) -> str:
+        """ Execute a native command
+
+        Args:
+            native_cmd: a native command
+
+        Returns:
+            the command result
+
+        """
         print("NATIVE Command to send is "+ repr(native_cmd))
         #self.send_request(native_cmd)
         self.send_native_cmd(native_cmd)
@@ -331,25 +348,31 @@ class DeviceControllerAbstract():
         ok = True if not awaited_res_if_ok else (native_res == awaited_res_if_ok)
         return GenericResult(native_res, ok)
         '''
-    
+
+
     '''
     def execute_native_cmd_OLD(self, request:str)->str:
         self.send_request(request)
         native_res = self.receive_data()
         return native_res
     '''
-    def execute_unformated_native_cmd(self, request:str)->str:
+
+
+    def execute_unformated_native_cmd(self, request:str) -> str:
         request = self.formated_cmd(request)
         #return self.execute_native_cmd_OLD(request)
         return self.execute_native_cmd(request)
 
+
     def send_native_cmd(self, native_cmd:str)->str:
         return self.send_data(native_cmd)
+
+
     #@deprecated
     def send_request(self, request:str)->str:
         return self.send_native_cmd(request)
 
-    
+
     def print_available_commands(self):
         print("\nAvailable commands are:")
         print("- GET commands:")
@@ -358,14 +381,17 @@ class DeviceControllerAbstract():
         print (list(cmd.replace('_',' ') for cmd in self._cmd.keys() if cmd.startswith('set_')))
         print("- DO commands:")
         print (list(cmd.replace('_',' ') for cmd in self._cmd.keys() if cmd.startswith('do_')))
-        
+
+
     def available_commands(self):
         return list(self._cmd.keys())
-        
+
+
     # @abstract
     def formated_cmd(self, cmd:str, value:str=None)->str:
         return cmd
-    
+
+
     #def run_func(self, func, arg=None):
     def run_func(self, func, *args):
         #print("args", args)
@@ -380,7 +406,7 @@ class DeviceControllerAbstract():
 
     def execute_generic_cmd(self, generic_cmd:str, values_to_set:str=None)->str:
         ''' Execute a generic command
-        
+
         :param generic_cmd: str like "get_ra" or "set_ra" or "do_park"...
         :param value: only for a "set_" cmd
         '''
--
libgit2 0.21.2