diff --git a/homeassistant/components/command_line/binary_sensor.py b/homeassistant/components/command_line/binary_sensor.py
index 6021a5ef4f7..0cfb35cf008 100644
--- a/homeassistant/components/command_line/binary_sensor.py
+++ b/homeassistant/components/command_line/binary_sensor.py
@@ -1,4 +1,6 @@
 """Support for custom shell commands to retrieve values."""
+from __future__ import annotations
+
 from datetime import timedelta
 
 import voluptuous as vol
@@ -16,8 +18,11 @@ from homeassistant.const import (
     CONF_PAYLOAD_ON,
     CONF_VALUE_TEMPLATE,
 )
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.reload import setup_reload_service
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 from .const import CONF_COMMAND_TIMEOUT, DEFAULT_TIMEOUT, DOMAIN, PLATFORMS
 from .sensor import CommandSensorData
@@ -42,7 +47,12 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 )
 
 
-def setup_platform(hass, config, add_entities, discovery_info=None):
+def setup_platform(
+    hass: HomeAssistant,
+    config: ConfigType,
+    add_entities: AddEntitiesCallback,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> None:
     """Set up the Command line Binary Sensor."""
 
     setup_reload_service(hass, DOMAIN, PLATFORMS)
diff --git a/homeassistant/components/command_line/cover.py b/homeassistant/components/command_line/cover.py
index 961d9a31f4e..0acebd90d80 100644
--- a/homeassistant/components/command_line/cover.py
+++ b/homeassistant/components/command_line/cover.py
@@ -1,4 +1,6 @@
 """Support for command line covers."""
+from __future__ import annotations
+
 import logging
 
 import voluptuous as vol
@@ -13,8 +15,11 @@ from homeassistant.const import (
     CONF_FRIENDLY_NAME,
     CONF_VALUE_TEMPLATE,
 )
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.reload import setup_reload_service
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 from . import call_shell_with_timeout, check_output_or_log
 from .const import CONF_COMMAND_TIMEOUT, DEFAULT_TIMEOUT, DOMAIN, PLATFORMS
@@ -38,7 +43,12 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 )
 
 
-def setup_platform(hass, config, add_entities, discovery_info=None):
+def setup_platform(
+    hass: HomeAssistant,
+    config: ConfigType,
+    add_entities: AddEntitiesCallback,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> None:
     """Set up cover controlled by shell commands."""
 
     setup_reload_service(hass, DOMAIN, PLATFORMS)
@@ -66,7 +76,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
 
     if not covers:
         _LOGGER.error("No covers added")
-        return False
+        return
 
     add_entities(covers)
 
diff --git a/homeassistant/components/command_line/sensor.py b/homeassistant/components/command_line/sensor.py
index 43e05a429b6..824b597ac41 100644
--- a/homeassistant/components/command_line/sensor.py
+++ b/homeassistant/components/command_line/sensor.py
@@ -1,4 +1,6 @@
 """Allows to configure custom shell commands to turn a value for a sensor."""
+from __future__ import annotations
+
 from collections.abc import Mapping
 from datetime import timedelta
 import json
@@ -14,10 +16,13 @@ from homeassistant.const import (
     CONF_VALUE_TEMPLATE,
     STATE_UNKNOWN,
 )
+from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import TemplateError
 from homeassistant.helpers import template
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.reload import setup_reload_service
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 from . import check_output_or_log
 from .const import CONF_COMMAND_TIMEOUT, DEFAULT_TIMEOUT, DOMAIN, PLATFORMS
@@ -42,7 +47,12 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 )
 
 
-def setup_platform(hass, config, add_entities, discovery_info=None):
+def setup_platform(
+    hass: HomeAssistant,
+    config: ConfigType,
+    add_entities: AddEntitiesCallback,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> None:
     """Set up the Command Sensor."""
 
     setup_reload_service(hass, DOMAIN, PLATFORMS)
diff --git a/homeassistant/components/command_line/switch.py b/homeassistant/components/command_line/switch.py
index fae4cdbcc6b..3fc9068c937 100644
--- a/homeassistant/components/command_line/switch.py
+++ b/homeassistant/components/command_line/switch.py
@@ -1,4 +1,6 @@
 """Support for custom shell commands to turn a switch on/off."""
+from __future__ import annotations
+
 import logging
 
 import voluptuous as vol
@@ -17,8 +19,11 @@ from homeassistant.const import (
     CONF_SWITCHES,
     CONF_VALUE_TEMPLATE,
 )
+from homeassistant.core import HomeAssistant
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.reload import setup_reload_service
+from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
 from . import call_shell_with_timeout, check_output_or_log
 from .const import CONF_COMMAND_TIMEOUT, DEFAULT_TIMEOUT, DOMAIN, PLATFORMS
@@ -42,7 +47,12 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 )
 
 
-def setup_platform(hass, config, add_entities, discovery_info=None):
+def setup_platform(
+    hass: HomeAssistant,
+    config: ConfigType,
+    add_entities: AddEntitiesCallback,
+    discovery_info: DiscoveryInfoType | None = None,
+) -> None:
     """Find and return switches controlled by shell commands."""
 
     setup_reload_service(hass, DOMAIN, PLATFORMS)
@@ -76,7 +86,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
 
     if not switches:
         _LOGGER.error("No switches added")
-        return False
+        return
 
     add_entities(switches)