diff --git a/JciHitachi/aws_connection.py b/JciHitachi/aws_connection.py
index 2943f59..f89d3ca 100644
--- a/JciHitachi/aws_connection.py
+++ b/JciHitachi/aws_connection.py
@@ -76,16 +76,13 @@ def __init__(self, print_response: bool):
         self._print_response = print_response
 
     @abstractmethod
-    def _generate_headers(self):
-        ...
+    def _generate_headers(self): ...
 
     @abstractmethod
-    def _handle_response(self, response: httpx.Response):
-        ...
+    def _handle_response(self, response: httpx.Response): ...
 
     @abstractmethod
-    def _send(self):
-        ...
+    def _send(self): ...
 
     def get_data(self):
         raise NotImplementedError
@@ -597,9 +594,9 @@ def _on_publish(self, topic: str, payload: bytes, dup, qos, retain, **kwargs):
                 )
                 self._mqtt_events.device_status_event[thing_name].set()
             elif split_topic[2] == "registration" and split_topic[3] == "response":
-                self._mqtt_events.device_support[
-                    thing_name
-                ] = JciHitachiAWSStatusSupport(payload)
+                self._mqtt_events.device_support[thing_name] = (
+                    JciHitachiAWSStatusSupport(payload)
+                )
                 self._mqtt_events.device_support_event[thing_name].set()
             elif split_topic[2] == "control" and split_topic[3] == "response":
                 self._mqtt_events.device_control[thing_name] = payload
diff --git a/tests/test_aws_connection.py b/tests/test_aws_connection.py
index 51b1009..8729431 100644
--- a/tests/test_aws_connection.py
+++ b/tests/test_aws_connection.py
@@ -491,9 +491,9 @@ def mock_post_func(
                             "Accept": "application/json",
                         }
                         if test_class.__name__ not in self.no_need_access_token:
-                            h[
-                                "accesstoken"
-                            ] = f"Bearer {fixture_aws_tokens.access_token}"
+                            h["accesstoken"] = (
+                                f"Bearer {fixture_aws_tokens.access_token}"
+                            )
                         assert (
                             endpoint
                             == f"https://{AWS_IOT_ENDPOINT}/{c.__class__.__name__}"