text: """Adds config flow for GIOS."""
  from __future__ import annotations
  
  import asyncio
  from typing import Any
  
  from aiohttp.client_exceptions import ClientConnectorError
  from async_timeout import timeout
  from gios import ApiError, Gios, InvalidSensorsData, NoStationError
  import voluptuous as vol
  
  from homeassistant import config_entries
  from homeassistant.const import CONF_NAME
  from homeassistant.data_entry_flow import FlowResult
  from homeassistant.helpers.aiohttp_client import async_get_clientsession
  
  from .const import API_TIMEOUT, CONF_STATION_ID, DOMAIN
  
  
  class GiosFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
      """Config flow for GIOS."""
  
      VERSION = 1
  
      async def async_step_user(
          self, user_input: dict[str, Any] | None = None
      ) -> FlowResult:
          """Handle a flow initialized by the user."""
          errors = {}
  
          if user_input is not None:
              try:
                  await self.async_set_unique_id(
                      str(user_input[CONF_STATION_ID]), raise_on_progress=False
                  )
                  self._abort_if_unique_id_configured()
  
                  websession = async_get_clientsession(self.hass)
  
                  with timeout(API_TIMEOUT):
                      gios = Gios(user_input[CONF_STATION_ID], websession)
                      await gios.async_update()
  
                  return self.async_create_entry(
                      title=gios.station_name,
                      data=user_input,
                  )
              except (ApiError, ClientConnectorError, asyncio.TimeoutError):
                  errors["base"] = "cannot_connect"
              except NoStationError:
                  errors[CONF_STATION_ID] = "wrong_station_id"
              except InvalidSensorsData:
                  errors[CONF_STATION_ID] = "invalid_sensors_data"
  
          return self.async_show_form(
              step_id="user",
              data_schema=vol.Schema(
                  {
                      vol.Required(CONF_STATION_ID): int,
                      vol.Optional(
                          CONF_NAME, default=self.hass.config.location_name
                      ): str,
                  }
              ),
              errors=errors,
          )
  