diff --git a/homeassistant/components/command_line/cover.py b/homeassistant/components/command_line/cover.py
index c4413e78a00..1d996614caa 100644
--- a/homeassistant/components/command_line/cover.py
+++ b/homeassistant/components/command_line/cover.py
@@ -4,15 +4,15 @@ import subprocess
 
 import voluptuous as vol
 
-from homeassistant.components.cover import CoverDevice, PLATFORM_SCHEMA
+from homeassistant.components.cover import PLATFORM_SCHEMA, CoverDevice
 from homeassistant.const import (
     CONF_COMMAND_CLOSE,
     CONF_COMMAND_OPEN,
     CONF_COMMAND_STATE,
     CONF_COMMAND_STOP,
     CONF_COVERS,
-    CONF_VALUE_TEMPLATE,
     CONF_FRIENDLY_NAME,
+    CONF_VALUE_TEMPLATE,
 )
 import homeassistant.helpers.config_validation as cv
 
diff --git a/homeassistant/components/command_line/notify.py b/homeassistant/components/command_line/notify.py
index e2581c8f065..21653171f34 100644
--- a/homeassistant/components/command_line/notify.py
+++ b/homeassistant/components/command_line/notify.py
@@ -4,11 +4,10 @@ import subprocess
 
 import voluptuous as vol
 
+from homeassistant.components.notify import PLATFORM_SCHEMA, BaseNotificationService
 from homeassistant.const import CONF_COMMAND, CONF_NAME
 import homeassistant.helpers.config_validation as cv
 
-from homeassistant.components.notify import PLATFORM_SCHEMA, BaseNotificationService
-
 _LOGGER = logging.getLogger(__name__)
 
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
diff --git a/homeassistant/components/command_line/switch.py b/homeassistant/components/command_line/switch.py
index 937e859197a..62dcbe2f15a 100644
--- a/homeassistant/components/command_line/switch.py
+++ b/homeassistant/components/command_line/switch.py
@@ -4,21 +4,20 @@ import subprocess
 
 import voluptuous as vol
 
-import homeassistant.helpers.config_validation as cv
-
 from homeassistant.components.switch import (
-    SwitchDevice,
-    PLATFORM_SCHEMA,
     ENTITY_ID_FORMAT,
+    PLATFORM_SCHEMA,
+    SwitchDevice,
 )
 from homeassistant.const import (
-    CONF_FRIENDLY_NAME,
-    CONF_SWITCHES,
-    CONF_VALUE_TEMPLATE,
     CONF_COMMAND_OFF,
     CONF_COMMAND_ON,
     CONF_COMMAND_STATE,
+    CONF_FRIENDLY_NAME,
+    CONF_SWITCHES,
+    CONF_VALUE_TEMPLATE,
 )
+import homeassistant.helpers.config_validation as cv
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/tests/components/command_line/test_binary_sensor.py b/tests/components/command_line/test_binary_sensor.py
index 333404cf904..33c28b7d65a 100644
--- a/tests/components/command_line/test_binary_sensor.py
+++ b/tests/components/command_line/test_binary_sensor.py
@@ -1,8 +1,8 @@
 """The tests for the Command line Binary sensor platform."""
 import unittest
 
-from homeassistant.const import STATE_ON, STATE_OFF
 from homeassistant.components.command_line import binary_sensor as command_line
+from homeassistant.const import STATE_OFF, STATE_ON
 from homeassistant.helpers import template
 
 from tests.common import get_test_home_assistant
diff --git a/tests/components/command_line/test_cover.py b/tests/components/command_line/test_cover.py
index 05b77a1c85d..662ab0c969c 100644
--- a/tests/components/command_line/test_cover.py
+++ b/tests/components/command_line/test_cover.py
@@ -5,8 +5,8 @@ from unittest import mock
 
 import pytest
 
-from homeassistant.components.cover import DOMAIN
 import homeassistant.components.command_line.cover as cmd_rs
+from homeassistant.components.cover import DOMAIN
 from homeassistant.const import (
     ATTR_ENTITY_ID,
     SERVICE_CLOSE_COVER,
diff --git a/tests/components/command_line/test_notify.py b/tests/components/command_line/test_notify.py
index 964a053f403..8bdc4ba0a01 100644
--- a/tests/components/command_line/test_notify.py
+++ b/tests/components/command_line/test_notify.py
@@ -4,8 +4,9 @@ import tempfile
 import unittest
 from unittest.mock import patch
 
-from homeassistant.setup import setup_component
 import homeassistant.components.notify as notify
+from homeassistant.setup import setup_component
+
 from tests.common import assert_setup_component, get_test_home_assistant
 
 
diff --git a/tests/components/command_line/test_sensor.py b/tests/components/command_line/test_sensor.py
index 58a170cb37a..e51c0187460 100644
--- a/tests/components/command_line/test_sensor.py
+++ b/tests/components/command_line/test_sensor.py
@@ -2,8 +2,9 @@
 import unittest
 from unittest.mock import patch
 
-from homeassistant.helpers.template import Template
 from homeassistant.components.command_line import sensor as command_line
+from homeassistant.helpers.template import Template
+
 from tests.common import get_test_home_assistant
 
 
diff --git a/tests/components/command_line/test_switch.py b/tests/components/command_line/test_switch.py
index ef010081958..497fb0c2523 100644
--- a/tests/components/command_line/test_switch.py
+++ b/tests/components/command_line/test_switch.py
@@ -4,10 +4,10 @@ import os
 import tempfile
 import unittest
 
-from homeassistant.setup import setup_component
-from homeassistant.const import STATE_ON, STATE_OFF
-import homeassistant.components.switch as switch
 import homeassistant.components.command_line.switch as command_line
+import homeassistant.components.switch as switch
+from homeassistant.const import STATE_OFF, STATE_ON
+from homeassistant.setup import setup_component
 
 from tests.common import get_test_home_assistant
 from tests.components.switch import common