diff --git a/homeassistant/components/ondilo_ico/__init__.py b/homeassistant/components/ondilo_ico/__init__.py
index aa541c470f1..fb78035c630 100644
--- a/homeassistant/components/ondilo_ico/__init__.py
+++ b/homeassistant/components/ondilo_ico/__init__.py
@@ -5,7 +5,8 @@ from homeassistant.const import Platform
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import config_entry_oauth2_flow
 
-from . import api, config_flow
+from .api import OndiloClient
+from .config_flow import OndiloIcoOAuth2FlowHandler
 from .const import DOMAIN
 from .coordinator import OndiloIcoCoordinator
 from .oauth_impl import OndiloOauth2Implementation
@@ -16,7 +17,7 @@ PLATFORMS = [Platform.SENSOR]
 async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Set up Ondilo ICO from a config entry."""
 
-    config_flow.OAuth2FlowHandler.async_register_implementation(
+    OndiloIcoOAuth2FlowHandler.async_register_implementation(
         hass,
         OndiloOauth2Implementation(hass),
     )
@@ -27,9 +28,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
         )
     )
 
-    coordinator = OndiloIcoCoordinator(
-        hass, api.OndiloClient(hass, entry, implementation)
-    )
+    coordinator = OndiloIcoCoordinator(hass, OndiloClient(hass, entry, implementation))
 
     await coordinator.async_config_entry_first_refresh()
 
diff --git a/homeassistant/components/ondilo_ico/config_flow.py b/homeassistant/components/ondilo_ico/config_flow.py
index 5a0fe8c21a5..d65c1b15e2a 100644
--- a/homeassistant/components/ondilo_ico/config_flow.py
+++ b/homeassistant/components/ondilo_ico/config_flow.py
@@ -1,21 +1,23 @@
 """Config flow for Ondilo ICO."""
 
 import logging
+from typing import Any
 
-from homeassistant.helpers import config_entry_oauth2_flow
+from homeassistant.config_entries import ConfigFlowResult
+from homeassistant.helpers.config_entry_oauth2_flow import AbstractOAuth2FlowHandler
 
 from .const import DOMAIN
 from .oauth_impl import OndiloOauth2Implementation
 
 
-class OAuth2FlowHandler(
-    config_entry_oauth2_flow.AbstractOAuth2FlowHandler, domain=DOMAIN
-):
+class OndiloIcoOAuth2FlowHandler(AbstractOAuth2FlowHandler, domain=DOMAIN):
     """Config flow to handle Ondilo ICO OAuth2 authentication."""
 
     DOMAIN = DOMAIN
 
-    async def async_step_user(self, user_input=None):
+    async def async_step_user(
+        self, user_input: dict[str, Any] | None = None
+    ) -> ConfigFlowResult:
         """Handle a flow initialized by the user."""
         await self.async_set_unique_id(DOMAIN)
 
diff --git a/tests/components/ondilo_ico/conftest.py b/tests/components/ondilo_ico/conftest.py
index 1e04e04d9dd..06ed994b332 100644
--- a/tests/components/ondilo_ico/conftest.py
+++ b/tests/components/ondilo_ico/conftest.py
@@ -35,7 +35,7 @@ def mock_ondilo_client(
     """Mock a Homeassistant Ondilo client."""
     with (
         patch(
-            "homeassistant.components.ondilo_ico.api.OndiloClient",
+            "homeassistant.components.ondilo_ico.OndiloClient",
             autospec=True,
         ) as mock_ondilo,
     ):