Change the password.
        :param password:
        :return:

def change_password(self, password):
        """
        Change the password.
        :param password:
        :return:
        """
        self.update(password_hash=self.encrypt_password(password),
                    require_password_change=False)

        # Whenever the password is changed, reset the secret key to invalidate
        # any tokens in the wild
        self.reset_secret_key()