def _get_default_account(self):
        """
        Get the ID of an account you can use to access projects.
        """
        newclient = self.__class__(self.session, self.root_url)
        account_info = newclient.get('/accounts/')
        if account_info['default_account'] is not None:
            return account_info['default_account']
        valid_accounts = [a['account_id'] for a in account_info['accounts']
                          if a['account_id'] != 'public']
        if len(valid_accounts) == 0:
            raise ValueError("Can't determine your default URL. "
                             "Please request a specific URL or ask "
                             "Luminoso for support.")
        return valid_accounts[0]
Get the ID of an account you can use to access projects.