diff --git a/pymodbus/server/async_io.py b/pymodbus/server/async_io.py
index 6aa9a531be..8c22cf52d6 100644
--- a/pymodbus/server/async_io.py
+++ b/pymodbus/server/async_io.py
@@ -269,7 +269,7 @@ def __init__(
         broadcast_enable=False,
         response_manipulator=None,
         request_tracer=None,
-        **kwargs  # pylint: disable=W0613
+        **kwargs,  # pylint: disable=unused-argument
     ):
         """Initialize the socket server.
 
diff --git a/test/test_simulator.py b/test/test_simulator.py
index 62c978ccd1..dc80d0c6b1 100644
--- a/test/test_simulator.py
+++ b/test/test_simulator.py
@@ -1,14 +1,15 @@
 """Test datastore."""
 import copy
 import json
+from unittest.mock import mock_open, patch
 
-from unittest.mock import patch, mock_open
 import pytest
 
 from pymodbus.datastore import ModbusSimulatorContext
 from pymodbus.datastore.simulator import Cell, CellType, Label
 from pymodbus.server import ModbusSimulatorServer
 
+
 FX_READ_BIT = 1
 FX_READ_REG = 3
 FX_WRITE_BIT = 5
@@ -109,8 +110,8 @@ class TestSimulator:
                 "VendorUrl": "https://github.com/pymodbus-dev/pymodbus/",
                 "ProductName": "pymodbus Server",
                 "ModelName": "pymodbus Server",
-                "MajorMinorRevision": "3.1.0"
-            }
+                "MajorMinorRevision": "3.1.0",
+            },
         },
     }
 
@@ -562,8 +563,15 @@ def test_simulator_action_random(self, celltype, minval, maxval):
 
     async def test_init_simulator(self):
         """Test init simulator server"""
-        with patch("builtins.open", mock_open(read_data=json.dumps({
-            "server_list": self.default_server_config,
-            "device_list": {"device": self.default_config}})
-        )):
+        with patch(
+            "builtins.open",
+            mock_open(
+                read_data=json.dumps(
+                    {
+                        "server_list": self.default_server_config,
+                        "device_list": {"device": self.default_config},
+                    }
+                )
+            ),
+        ):
             ModbusSimulatorServer()