diff --git a/homeassistant/components/somfy/__init__.py b/homeassistant/components/somfy/__init__.py
index 75475e52f0658c368dbbdd95192a2ff4fb60fb9b..ac32b9d53791d9483c096f2ff9932d2f40dd5f60 100644
--- a/homeassistant/components/somfy/__init__.py
+++ b/homeassistant/components/somfy/__init__.py
@@ -9,7 +9,7 @@ import voluptuous as vol
 
 from homeassistant.components.somfy import config_flow
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import CONF_CLIENT_ID, CONF_CLIENT_SECRET
+from homeassistant.const import CONF_CLIENT_ID, CONF_CLIENT_SECRET, CONF_OPTIMISTIC
 from homeassistant.core import callback
 from homeassistant.helpers import (
     config_entry_oauth2_flow,
@@ -25,7 +25,7 @@ from homeassistant.helpers.update_coordinator import (
 )
 
 from . import api
-from .const import API, CONF_OPTIMISTIC, COORDINATOR, DOMAIN
+from .const import API, COORDINATOR, DOMAIN
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/homeassistant/components/somfy/climate.py b/homeassistant/components/somfy/climate.py
index 00a2738f4fefe1d2e3b47008b6064137bba4ad3e..99d6dca06eec74630aa76ecc8f6255adc0af74f6 100644
--- a/homeassistant/components/somfy/climate.py
+++ b/homeassistant/components/somfy/climate.py
@@ -48,7 +48,6 @@ HVAC_MODES_MAPPING = {HvacState.COOL: HVAC_MODE_COOL, HvacState.HEAT: HVAC_MODE_
 
 async def async_setup_entry(hass, config_entry, async_add_entities):
     """Set up the Somfy climate platform."""
-
     domain_data = hass.data[DOMAIN]
     coordinator = domain_data[COORDINATOR]
     api = domain_data[API]
diff --git a/homeassistant/components/somfy/const.py b/homeassistant/components/somfy/const.py
index aca93be66cb1aee4501991e9e5d8f5e2e77df74b..128d6eb76bb9f102c99d0346224ede3302af04f2 100644
--- a/homeassistant/components/somfy/const.py
+++ b/homeassistant/components/somfy/const.py
@@ -3,4 +3,3 @@
 DOMAIN = "somfy"
 COORDINATOR = "coordinator"
 API = "api"
-CONF_OPTIMISTIC = "optimistic"
diff --git a/homeassistant/components/somfy/cover.py b/homeassistant/components/somfy/cover.py
index e7308558127032fb1db13b4ccb0ba0fcb9138bdc..d227bc31227e8ab137337138cc6130e05c4e7fa0 100644
--- a/homeassistant/components/somfy/cover.py
+++ b/homeassistant/components/somfy/cover.py
@@ -18,11 +18,11 @@ from homeassistant.components.cover import (
     SUPPORT_STOP_TILT,
     CoverEntity,
 )
-from homeassistant.const import STATE_CLOSED, STATE_OPEN
+from homeassistant.const import CONF_OPTIMISTIC, STATE_CLOSED, STATE_OPEN
 from homeassistant.helpers.restore_state import RestoreEntity
 
 from . import SomfyEntity
-from .const import API, CONF_OPTIMISTIC, COORDINATOR, DOMAIN
+from .const import API, COORDINATOR, DOMAIN
 
 BLIND_DEVICE_CATEGORIES = {Category.INTERIOR_BLIND.value, Category.EXTERIOR_BLIND.value}
 SHUTTER_DEVICE_CATEGORIES = {Category.EXTERIOR_BLIND.value}
@@ -35,7 +35,6 @@ SUPPORTED_CATEGORIES = {
 
 async def async_setup_entry(hass, config_entry, async_add_entities):
     """Set up the Somfy cover platform."""
-
     domain_data = hass.data[DOMAIN]
     coordinator = domain_data[COORDINATOR]
     api = domain_data[API]
diff --git a/homeassistant/components/somfy/sensor.py b/homeassistant/components/somfy/sensor.py
index 1becc929adc533d93dc71b0ac622d8dc7b0c0856..996a95348a4fe0b8cde4148d662d01f2498bceb3 100644
--- a/homeassistant/components/somfy/sensor.py
+++ b/homeassistant/components/somfy/sensor.py
@@ -13,7 +13,6 @@ SUPPORTED_CATEGORIES = {Category.HVAC.value}
 
 async def async_setup_entry(hass, config_entry, async_add_entities):
     """Set up the Somfy sensor platform."""
-
     domain_data = hass.data[DOMAIN]
     coordinator = domain_data[COORDINATOR]
     api = domain_data[API]
diff --git a/homeassistant/components/somfy/switch.py b/homeassistant/components/somfy/switch.py
index 14328953367dcd4ba73b657679b30b4c4b0d5c06..66eef99d6b5abb0ee0ea1bd8f6d1685aa42a7273 100644
--- a/homeassistant/components/somfy/switch.py
+++ b/homeassistant/components/somfy/switch.py
@@ -10,7 +10,6 @@ from .const import API, COORDINATOR, DOMAIN
 
 async def async_setup_entry(hass, config_entry, async_add_entities):
     """Set up the Somfy switch platform."""
-
     domain_data = hass.data[DOMAIN]
     coordinator = domain_data[COORDINATOR]
     api = domain_data[API]