diff --git a/.flake8 b/.flake8
new file mode 100644
index 0000000..0f1833e
--- /dev/null
+++ b/.flake8
@@ -0,0 +1,4 @@
+[flake8]
+
+max-line-length = 120
+exclude = .git,.github,docs,venv
diff --git a/.github/workflows/codechecker.yml b/.github/workflows/codechecker.yml
new file mode 100644
index 0000000..58b0d6d
--- /dev/null
+++ b/.github/workflows/codechecker.yml
@@ -0,0 +1,13 @@
+name: Python Package
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Run flake8
+        uses: py-actions/flake8@v2
\ No newline at end of file
diff --git a/custom_components/tplink_router/__init__.py b/custom_components/tplink_router/__init__.py
index 9e29694..0165d58 100644
--- a/custom_components/tplink_router/__init__.py
+++ b/custom_components/tplink_router/__init__.py
@@ -12,9 +12,6 @@
 from tplinkrouterc6u import TPLinkMRClient
 from .coordinator import TPLinkRouterCoordinator
 from homeassistant.helpers import device_registry
-from .sensor import SENSOR_TYPES
-from .button import BUTTON_TYPES
-from .switch import SWITCH_TYPES
 
 PLATFORMS: list[Platform] = [
     Platform.DEVICE_TRACKER,
@@ -74,6 +71,7 @@ async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
 async def async_reload_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> None:
     await hass.config_entries.async_reload(config_entry.entry_id)
 
+
 def register_services(hass: HomeAssistant, coord: TPLinkRouterCoordinator) -> None:
 
     if not issubclass(coord.router.__class__, TPLinkMRClient):
diff --git a/custom_components/tplink_router/coordinator.py b/custom_components/tplink_router/coordinator.py
index 80f3074..15ec952 100644
--- a/custom_components/tplink_router/coordinator.py
+++ b/custom_components/tplink_router/coordinator.py
@@ -37,7 +37,7 @@ def __init__(
             hw_version=firmware.hardware_version,
         )
 
-        self.scan_stopped_at: datetime|None = None
+        self.scan_stopped_at: datetime | None = None
 
         super().__init__(
             hass,
diff --git a/custom_components/tplink_router/device_tracker.py b/custom_components/tplink_router/device_tracker.py
index f50079b..ed48b02 100644
--- a/custom_components/tplink_router/device_tracker.py
+++ b/custom_components/tplink_router/device_tracker.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import Any, TypeAlias
+from typing import TypeAlias
 from homeassistant.components.device_tracker.config_entry import ScannerEntity
 from homeassistant.components.device_tracker.const import SourceType
 from homeassistant.config_entries import ConfigEntry
@@ -14,7 +14,7 @@
     EVENT_ONLINE,
     EVENT_OFFLINE,
 )
-from tplinkrouterc6u import Device, Connection
+from tplinkrouterc6u import Device
 
 MAC_ADDR: TypeAlias = str
 
diff --git a/custom_components/tplink_router/sensor.py b/custom_components/tplink_router/sensor.py
index 26b4e14..e92d9d9 100644
--- a/custom_components/tplink_router/sensor.py
+++ b/custom_components/tplink_router/sensor.py
@@ -2,12 +2,11 @@
 from collections.abc import Callable
 from typing import Any
 from homeassistant.components.sensor import (
-    SensorDeviceClass,
     SensorStateClass,
     SensorEntity,
     SensorEntityDescription,
 )
-from homeassistant.const import PERCENTAGE, UnitOfInformation
+from homeassistant.const import PERCENTAGE
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant, callback
 from .const import DOMAIN
diff --git a/custom_components/tplink_router/switch.py b/custom_components/tplink_router/switch.py
index 8f36674..3eaf353 100644
--- a/custom_components/tplink_router/switch.py
+++ b/custom_components/tplink_router/switch.py
@@ -11,7 +11,7 @@
 from .const import DOMAIN
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
 from .coordinator import TPLinkRouterCoordinator
-from tplinkrouterc6u import Connection, Status
+from tplinkrouterc6u import Connection
 
 
 @dataclass