diff --git a/tests/step_defs/test_messages_steps.py b/tests/step_defs/test_messages_steps.py
index 402f947..bf568de 100644
--- a/tests/step_defs/test_messages_steps.py
+++ b/tests/step_defs/test_messages_steps.py
@@ -63,7 +63,7 @@ def queue_list(sqs_cli: 'SQSClient', log: 'CustomLogger') -> dict:
 
 # Then Step
 @then("the list contains the cars added")
-def assert_response_code(sqs_cli: 'SQSClient', 
+def assert_response_code(sqs_cli: 'SQSClient',
                          cars_list: list, messages: dict, log: 'CustomLogger') -> None:
     """
     Then step to assert that the list contains the cars added.
@@ -95,8 +95,8 @@ def assert_response_code(sqs_cli: 'SQSClient',
                 log.info(f"delete message with id {in_message_id}")
                 sqs_cli.delete_message(receipt_handle)
                 messages_count += 1
-    
-    error_messages = f"""Couldn't find all messages sent. 
+
+    error_messages = f"""Couldn't find all messages sent.
     Were sent {len(cars_list)} msgs, 
     but found only {messages_count} msgs"""
     assert len(cars_list) == messages_count, error_messages
diff --git a/utilities/classes/log.py b/utilities/classes/log.py
index 2971629..3eb6367 100644
--- a/utilities/classes/log.py
+++ b/utilities/classes/log.py
@@ -10,8 +10,10 @@ class CustomLogger(Logger):
     """
     A custom logger class that logs messages to both console and file with timed rotation.
 
-    This class extends the standard Logger class from the logging module and provides additional functionality
-    for logging messages to both console and file. Log files are rotated daily, and old log files are automatically
+    This class extends the standard Logger class 
+    from the logging module and provides additional functionality
+    for logging messages to both console and file. Log files are rotated daily, 
+    and old log files are automatically
     deleted after a specified number of days.
 
     Attributes:
diff --git a/utilities/classes/sqs_client.py b/utilities/classes/sqs_client.py
index afadbbb..b946574 100644
--- a/utilities/classes/sqs_client.py
+++ b/utilities/classes/sqs_client.py
@@ -20,7 +20,6 @@ class SQSClient:
         log (CustomLogger): Logger object.
         bucket_name (str): Name of the AWS bucket.
         host (str): Host URL.
-        region_name (str): AWS region name.
         mock_aws_flag (bool): Flag indicating whether to mock AWS or not.
         client (boto3.client): SQS client object.
         queue_url (str): URL of the SQS queue.
@@ -35,8 +34,8 @@ class SQSClient:
         delete_message: Deletes a message from the SQS queue.
     """
 
-    def __init__(self, log: 'CustomLogger', bucket: str, 
-                 mock_aws_flag: bool, host: str = LOCALHOST, region_name: str = REGION_NAME):
+    def __init__(self, log: 'CustomLogger', bucket: str,
+                 mock_aws_flag: bool, host: str = LOCALHOST):
         """
         Initialize SQSClient.
 
@@ -45,12 +44,11 @@ def __init__(self, log: 'CustomLogger', bucket: str,
             bucket (str): Name of the AWS bucket.
             mock_aws_flag (bool): Flag indicating whether to mock AWS or not.
             host (str, optional): Host URL. Defaults to LOCALHOST.
-            region_name (str, optional): AWS region name. Defaults to REGION_NAME.
         """
         self.log = log
         self.bucket_name = bucket
         self.host = host
-        self.region_name = region_name
+        self.region_name = REGION_NAME
         self.mock_aws_flag = mock_aws_flag
         self.client = self.create_client()
         self.queue_url = ''
@@ -63,12 +61,12 @@ def create_client(self) -> boto3.client:
             boto3.client: SQS client object.
         """
         if self.mock_aws_flag:
-            return boto3.client(self.bucket_name, 
+            return boto3.client(self.bucket_name,
                                 region_name=self.region_name
         )
-        
-        return boto3.client(self.bucket_name, 
-                            endpoint_url=self.host, 
+
+        return boto3.client(self.bucket_name,
+                            endpoint_url=self.host,
                             region_name=self.region_name
         )
 
@@ -119,7 +117,7 @@ def send_message(self, car: dict) -> dict:
         """
         try:
             message = car
-            response = self.client.send_message(QueueUrl=self.queue_url, 
+            response = self.client.send_message(QueueUrl=self.queue_url,
                                                 MessageBody=json.dumps(message))
             self.log.info("Message sent")
             return response
@@ -135,8 +133,8 @@ def receive_messages(self) -> dict:
             dict: Messages received from the SQS service.
         """
         try:
-            messages = self.client.receive_message(QueueUrl=self.queue_url, 
-                                                   MaxNumberOfMessages=10, 
+            messages = self.client.receive_message(QueueUrl=self.queue_url,
+                                                   MaxNumberOfMessages=10,
                                                    WaitTimeSeconds=10)
             self.log.info("Messages received")
             return messages