diff --git a/iot-integration/iot_devices/smart_home.py b/iot-integration/iot_devices/smart_home.py
index 985d82f36..d1694a2cd 100644
--- a/iot-integration/iot_devices/smart_home.py
+++ b/iot-integration/iot_devices/smart_home.py
@@ -1,16 +1,19 @@
-import os
 import json
+import os
 import socket
 import threading
+
 from cryptography.fernet import Fernet
 
+
 class SmartHome:
+
     def __init__(self, home_id, home_secret, devices=None):
         self.home_id = home_id
         self.home_secret = home_secret
         self.devices = devices if devices else []
         self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-        self.socket.bind(('localhost', 8080))
+        self.socket.bind(("localhost", 8080))
         self.socket.listen(5)
         self.threads = []
 
@@ -22,14 +25,14 @@ def remove_device(self, device):
 
     def send_command(self, device_id, command):
         for device in self.devices:
-            if device['id'] == device_id:
-                device['socket'].send(command.encode())
+            if device["id"] == device_id:
+                device["socket"].send(command.encode())
                 break
 
     def receive_data(self, device_id):
         for device in self.devices:
-            if device['id'] == device_id:
-                data = device['socket'].recv(1024)
+            if device["id"] == device_id:
+                data = device["socket"].recv(1024)
                 return data.decode()
 
     def start_listening(self):
@@ -38,8 +41,10 @@ def start_listening(self):
             device_id = client_socket.recv(1024).decode()
             device_secret = client_socket.recv(1024).decode()
             if self.authenticate_device(device_id, device_secret):
-                self.devices.append({'id': device_id, 'socket': client_socket})
-                thread = threading.Thread(target=self.handle_device, args=(client_socket,))
+                self.devices.append({"id": device_id, "socket": client_socket})
+                thread = threading.Thread(
+                    target=self.handle_device, args=(client_socket,)
+                )
                 thread.start()
                 self.threads.append(thread)
 
@@ -47,7 +52,9 @@ def handle_device(self, client_socket):
         while True:
             data = client_socket.recv(1024)
             if data:
-                print(f'Received data from device {client_socket.getpeername()}: {data.decode()}')
+                print(
+                    f"Received data from device {client_socket.getpeername()}: {data.decode()}"
+                )
             else:
                 break
 
@@ -65,8 +72,9 @@ def stop(self):
         for thread in self.threads:
             thread.join()
 
-if __name__ == '__main__':
-    home_id = 'home123'
-    home_secret = 'secret123'
+
+if __name__ == "__main__":
+    home_id = "home123"
+    home_secret = "secret123"
     smart_home = SmartHome(home_id, home_secret)
     smart_home.start()