text: from flask import Flask
  from flask_manage_webpack import FlaskManageWebpack
  from flask_cors import CORS
  from .regions.solvers import forecast as forecast_
  from datetime import date as date_
  import requests_cache
  import os
  
  
  def create_app(test_config=None):
      app = Flask(
          __name__,
          instance_relative_config=True,
          static_url_path=''
      )
      app.config.from_mapping(
          SECRET_KEY=os.getenv('SECRET_KEY', 'dev'),
      )
      CORS(app, send_wildcard=True)
  
      manage_webpack = FlaskManageWebpack()
      manage_webpack.init_app(app)
  
      requests_cache.install_cache(expire_after=3600)
  
      with app.app_context():
          import indice_pollution.api
          import indice_pollution.web
  
      return app
  
  def forecast(insee, date=None):
      date = date or date_.today().isoformat()
      forecast_getter = forecast_(insee)
      return forecast_getter(date=date, insee=insee)
  