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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def do_request_async(self, url, method='GET', headers=None, payload=None, deadline=None, callback=None):
 """Issue one HTTP request. It performs async retries using tasklets. Args: url: the url to fetch. method: the method in which to fetch. headers: the http headers. payload: the data to submit in the fetch. deadline: the deadline in which to make the call. callback: the call to make once completed. Yields: The async fetch of the url. """

    retry_wrapper = api_utils._RetryWrapper(
        self.retry_params,
        retriable_exceptions=api_utils._RETRIABLE_EXCEPTIONS,
        should_retry=api_utils._should_retry)
    resp = yield retry_wrapper.run(
        self.urlfetch_async,
        url=url,
        method=method,
        headers=headers,
        payload=payload,
        deadline=deadline,
        callback=callback,
        follow_redirects=False)
    raise ndb.Return((resp.status_code, resp.headers, resp.content))