diff --git a/homesfr.py b/homesfr.py
index bc71a85..aada1fd 100644
--- a/homesfr.py
+++ b/homesfr.py
@@ -37,6 +37,7 @@ REMOTE_CONTROLER = 'REMOTE'
 KEYPAD_CONTROLER = 'KEYPAD'
 PRESENCE_CAMERA_DETECTOR = 'PIR_CAMERA'
 
+
 class Common ():
 	'''
 	Common ressources to the library's classes
@@ -142,7 +143,7 @@ class Common ():
 		r = Image.open (f)
 		return (r)
 	
-	def get_xml_elements (self, url, label, id_label=None):
+	def get_xml_elements (self, url, label, id_label = None):
 		def build_tree (element):
 			r = {}
 			for i in element.getchildren ():
@@ -165,6 +166,7 @@ class Common ():
 				r.update ({i.get (id_label): build_tree (i)})
 			return (r)
 
+
 class HomeSFR (Common):
 	def __init__ (self, username = None, password = None, cookies = None, debug = False, autologin = True):
 		'''
@@ -376,6 +378,7 @@ class HomeSFR (Common):
 		a = self.base_url + self.logs_path
 		return (self.get_xml_elements (a, self.logs_labels))
 
+
 class Sensor (Common):
 	'''
 	Class used to read easily the sensors
@@ -481,6 +484,7 @@ class Sensor (Common):
 		'''
 		return (self.sensor_dict [self.sensors_status_field] == self.sensors_status_value_ok)
 
+
 class Camera (Sensor):
 	'''
 	Class used to manipulate easily cameras