diff --git a/tests/test_init.py b/tests/test_init.py
index c4f05ea5b..a7fee7bcd 100644
--- a/tests/test_init.py
+++ b/tests/test_init.py
@@ -1,9 +1,15 @@
 from homeassistant.components import input_boolean, light
+from homeassistant.config_entries import ConfigEntryState
+from homeassistant.const import (
+    CONF_ENTITY_ID,
+    CONF_NAME,
+    CONF_UNIQUE_ID,
+    STATE_UNAVAILABLE,
+)
 from homeassistant.core import HomeAssistant
-from homeassistant.const import CONF_ENTITY_ID, CONF_NAME, CONF_UNIQUE_ID, STATE_UNAVAILABLE
-from homeassistant.setup import async_setup_component
 from homeassistant.helpers.entity_registry import EntityRegistry
-from homeassistant.config_entries import ConfigEntryState
+from homeassistant.setup import async_setup_component
+from pytest_homeassistant_custom_component.common import MockConfigEntry
 
 from custom_components.powercalc import create_domain_groups
 from custom_components.powercalc.const import (
@@ -27,7 +33,6 @@
     run_powercalc_setup_yaml_config,
 )
 
-from pytest_homeassistant_custom_component.common import MockConfigEntry
 
 async def test_autodiscovery(hass: HomeAssistant):
     """Test that models are automatically discovered and power sensors created"""
@@ -100,6 +105,7 @@ async def test_domain_groups(hass: HomeAssistant):
 
     assert not hass.states.get("sensor.all_light_power")
 
+
 async def test_unload_entry(hass: HomeAssistant, entity_reg: EntityRegistry):
     unique_id = "98493943242"
     entry = MockConfigEntry(
@@ -109,9 +115,7 @@ async def test_unload_entry(hass: HomeAssistant, entity_reg: EntityRegistry):
             CONF_UNIQUE_ID: unique_id,
             CONF_NAME: "testentry",
             CONF_ENTITY_ID: DUMMY_ENTITY_ID,
-            CONF_FIXED: {
-                CONF_POWER: 50
-            }
+            CONF_FIXED: {CONF_POWER: 50},
         },
         unique_id=unique_id,
     )
@@ -128,4 +132,4 @@ async def test_unload_entry(hass: HomeAssistant, entity_reg: EntityRegistry):
     assert entry.state is ConfigEntryState.NOT_LOADED
 
     assert not hass.states.get("sensor.testentry_power")
-    assert not entity_reg.async_get("sensor.testentry_power")
\ No newline at end of file
+    assert not entity_reg.async_get("sensor.testentry_power")