docs: def flatten_and_write(dotenv_path, dotenv_as_dict, quote_mode='always'):
      """
      Writes dotenv_as_dict to dotenv_path, flattening the values
      :param dotenv_path: .env path
      :param dotenv_as_dict: dict
      :param quote_mode:
      :return:
      """
      with open(dotenv_path, 'w') as f:
          for k, v in dotenv_as_dict.items():
              str_format = _get_format(v, quote_mode)
              f.write(str_format.format(key=k, value=v))
      return True