diff --git a/homeassistant/components/smarty/__init__.py b/homeassistant/components/smarty/__init__.py
index ad824055126..22987673005 100644
--- a/homeassistant/components/smarty/__init__.py
+++ b/homeassistant/components/smarty/__init__.py
@@ -1,12 +1,13 @@
 """Support to control a Salda Smarty XP/XV ventilation unit."""
 
 from datetime import timedelta
-
 import ipaddress
 import logging
+
+from pysmarty import Smarty
 import voluptuous as vol
 
-from homeassistant.const import CONF_NAME, CONF_HOST
+from homeassistant.const import CONF_HOST, CONF_NAME
 from homeassistant.helpers import discovery
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.dispatcher import dispatcher_send
@@ -36,7 +37,6 @@ SIGNAL_UPDATE_SMARTY = "smarty_update"
 
 def setup(hass, config):
     """Set up the smarty environment."""
-    from pysmarty import Smarty
 
     conf = config[DOMAIN]
 
diff --git a/homeassistant/components/smarty/binary_sensor.py b/homeassistant/components/smarty/binary_sensor.py
index 8723f0248d3..a86b3548e95 100644
--- a/homeassistant/components/smarty/binary_sensor.py
+++ b/homeassistant/components/smarty/binary_sensor.py
@@ -2,9 +2,10 @@
 
 import logging
 
-from homeassistant.core import callback
 from homeassistant.components.binary_sensor import BinarySensorDevice
+from homeassistant.core import callback
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
+
 from . import DOMAIN, SIGNAL_UPDATE_SMARTY
 
 _LOGGER = logging.getLogger(__name__)
diff --git a/homeassistant/components/smarty/fan.py b/homeassistant/components/smarty/fan.py
index 81edac80cb0..bb6b7623779 100644
--- a/homeassistant/components/smarty/fan.py
+++ b/homeassistant/components/smarty/fan.py
@@ -2,7 +2,6 @@
 
 import logging
 
-from homeassistant.core import callback
 from homeassistant.components.fan import (
     SPEED_HIGH,
     SPEED_LOW,
@@ -11,6 +10,7 @@ from homeassistant.components.fan import (
     SUPPORT_SET_SPEED,
     FanEntity,
 )
+from homeassistant.core import callback
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
 
 from . import DOMAIN, SIGNAL_UPDATE_SMARTY
diff --git a/homeassistant/components/smarty/sensor.py b/homeassistant/components/smarty/sensor.py
index bf647777b52..f5cd1fbb404 100644
--- a/homeassistant/components/smarty/sensor.py
+++ b/homeassistant/components/smarty/sensor.py
@@ -3,15 +3,16 @@
 import datetime as dt
 import logging
 
-from homeassistant.core import callback
 from homeassistant.const import (
-    TEMP_CELSIUS,
     DEVICE_CLASS_TEMPERATURE,
     DEVICE_CLASS_TIMESTAMP,
+    TEMP_CELSIUS,
 )
-import homeassistant.util.dt as dt_util
+from homeassistant.core import callback
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
 from homeassistant.helpers.entity import Entity
+import homeassistant.util.dt as dt_util
+
 from . import DOMAIN, SIGNAL_UPDATE_SMARTY
 
 _LOGGER = logging.getLogger(__name__)