From 5db1fec99e7397ed8276a8f4b25c012638afc707 Mon Sep 17 00:00:00 2001
From: Marc Mueller <30130371+cdce8p@users.noreply.github.com>
Date: Sat, 13 Aug 2022 18:46:49 +0200
Subject: [PATCH] Fix implicit Optional [p-s] (#76721)

---
 homeassistant/components/plaato/config_flow.py    |  2 +-
 homeassistant/components/sia/config_flow.py       | 14 ++++++++++----
 homeassistant/components/sia/hub.py               |  2 +-
 homeassistant/components/solax/config_flow.py     |  6 +++++-
 homeassistant/components/switchbot/config_flow.py |  4 +++-
 5 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/homeassistant/components/plaato/config_flow.py b/homeassistant/components/plaato/config_flow.py
index 637122b1d9c..654150ffa48 100644
--- a/homeassistant/components/plaato/config_flow.py
+++ b/homeassistant/components/plaato/config_flow.py
@@ -127,7 +127,7 @@ class PlaatoConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
         )
 
     async def _show_api_method_form(
-        self, device_type: PlaatoDeviceType, errors: dict = None
+        self, device_type: PlaatoDeviceType, errors: dict | None = None
     ):
         data_schema = vol.Schema({vol.Optional(CONF_TOKEN, default=""): str})
 
diff --git a/homeassistant/components/sia/config_flow.py b/homeassistant/components/sia/config_flow.py
index df03882e995..516018c43a7 100644
--- a/homeassistant/components/sia/config_flow.py
+++ b/homeassistant/components/sia/config_flow.py
@@ -105,7 +105,9 @@ class SIAConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
         self._data: dict[str, Any] = {}
         self._options: Mapping[str, Any] = {CONF_ACCOUNTS: {}}
 
-    async def async_step_user(self, user_input: dict[str, Any] = None) -> FlowResult:
+    async def async_step_user(
+        self, user_input: dict[str, Any] | None = None
+    ) -> FlowResult:
         """Handle the initial user step."""
         errors: dict[str, str] | None = None
         if user_input is not None:
@@ -117,7 +119,7 @@ class SIAConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
         return await self.async_handle_data_and_route(user_input)
 
     async def async_step_add_account(
-        self, user_input: dict[str, Any] = None
+        self, user_input: dict[str, Any] | None = None
     ) -> FlowResult:
         """Handle the additional accounts steps."""
         errors: dict[str, str] | None = None
@@ -179,7 +181,9 @@ class SIAOptionsFlowHandler(config_entries.OptionsFlow):
         self.hub: SIAHub | None = None
         self.accounts_todo: list = []
 
-    async def async_step_init(self, user_input: dict[str, Any] = None) -> FlowResult:
+    async def async_step_init(
+        self, user_input: dict[str, Any] | None = None
+    ) -> FlowResult:
         """Manage the SIA options."""
         self.hub = self.hass.data[DOMAIN][self.config_entry.entry_id]
         assert self.hub is not None
@@ -187,7 +191,9 @@ class SIAOptionsFlowHandler(config_entries.OptionsFlow):
         self.accounts_todo = [a.account_id for a in self.hub.sia_accounts]
         return await self.async_step_options()
 
-    async def async_step_options(self, user_input: dict[str, Any] = None) -> FlowResult:
+    async def async_step_options(
+        self, user_input: dict[str, Any] | None = None
+    ) -> FlowResult:
         """Create the options step for a account."""
         errors: dict[str, str] | None = None
         if user_input is not None:
diff --git a/homeassistant/components/sia/hub.py b/homeassistant/components/sia/hub.py
index 399da14c2ad..2c2fb0d2be9 100644
--- a/homeassistant/components/sia/hub.py
+++ b/homeassistant/components/sia/hub.py
@@ -68,7 +68,7 @@ class SIAHub:
             self._hass.bus.async_listen(EVENT_HOMEASSISTANT_STOP, self.async_shutdown)
         )
 
-    async def async_shutdown(self, _: Event = None) -> None:
+    async def async_shutdown(self, _: Event | None = None) -> None:
         """Shutdown the SIA server."""
         await self.sia_client.stop()
 
diff --git a/homeassistant/components/solax/config_flow.py b/homeassistant/components/solax/config_flow.py
index 56c6989cc7f..e3255a8e377 100644
--- a/homeassistant/components/solax/config_flow.py
+++ b/homeassistant/components/solax/config_flow.py
@@ -1,4 +1,6 @@
 """Config flow for solax integration."""
+from __future__ import annotations
+
 import logging
 from typing import Any
 
@@ -40,7 +42,9 @@ async def validate_api(data) -> str:
 class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow for Solax."""
 
-    async def async_step_user(self, user_input: dict[str, Any] = None) -> FlowResult:
+    async def async_step_user(
+        self, user_input: dict[str, Any] | None = None
+    ) -> FlowResult:
         """Handle the initial step."""
         errors: dict[str, Any] = {}
         if user_input is None:
diff --git a/homeassistant/components/switchbot/config_flow.py b/homeassistant/components/switchbot/config_flow.py
index 0d7e91648f2..af2f43bdaa0 100644
--- a/homeassistant/components/switchbot/config_flow.py
+++ b/homeassistant/components/switchbot/config_flow.py
@@ -94,7 +94,9 @@ class SwitchbotConfigFlow(ConfigFlow, domain=DOMAIN):
             },
         )
 
-    async def async_step_confirm(self, user_input: dict[str, Any] = None) -> FlowResult:
+    async def async_step_confirm(
+        self, user_input: dict[str, Any] | None = None
+    ) -> FlowResult:
         """Confirm a single device."""
         assert self._discovered_adv is not None
         if user_input is not None: