def get_all_terms(self):
        """
        Return all of the terms in the account.
        https://canvas.instructure.com/doc/api/enrollment_terms.html#method.terms_api.index
        """
        if not self._canvas_account_id:
            raise MissingAccountID()

        params = {"workflow_state": 'all', 'per_page': 500}
        url = ACCOUNTS_API.format(self._canvas_account_id) + "/terms"
        data_key = 'enrollment_terms'

        terms = []
        response = self._get_paged_resource(url, params, data_key)
        for data in response[data_key]:
            terms.append(CanvasTerm(data=data))
        return terms
Return all of the terms in the account.
        https://canvas.instructure.com/doc/api/enrollment_terms.html#method.terms_api.index