def _do_api_call(self, endpoint_info, json):
        """
        
        """
        method, endpoint = endpoint_info
        url = 'https://{host}/{endpoint}'.format(
            host=self._parse_host(self.databricks_conn.host),
            endpoint=endpoint)
        if 'token' in self.databricks_conn.extra_dejson:
            self.log.info('Using token auth.')
            auth = _TokenAuth(self.databricks_conn.extra_dejson['token'])
        else:
            self.log.info('Using basic auth.')
            auth = (self.databricks_conn.login, self.databricks_conn.password)
        if method == 'GET':
            request_func = requests.get
        elif method == 'POST':
            request_func = requests.post
        else:
            raise AirflowException('Unexpected HTTP Method: ' + method)

        attempt_num = 1
        while True:
            try:
                response = request_func(
                    url,
                    json=json,
                    auth=auth,
                    headers=USER_AGENT_HEADER,
                    timeout=self.timeout_seconds)
                response.raise_for_status()
                return response.json()
            except requests_exceptions.RequestException as e:
                if not _retryable_error(e):
                    # In this case, the user probably made a mistake.
                    # Don't retry.
                    raise AirflowException('Response: {0}, Status Code: {1}'.format(
                        e.response.content, e.response.status_code))

                self._log_request_error(attempt_num, e)

            if attempt_num == self.retry_limit:
                raise AirflowException(('API requests to Databricks failed {} times. ' +
                                        'Giving up.').format(self.retry_limit))

            attempt_num += 1
            sleep(self.retry_delay)