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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 fetch_page_async(self, page_size, **q_options):
 """Fetch a page of results. This is the asynchronous version of Query.fetch_page(). """

    qry = self._fix_namespace()
    return qry._fetch_page_async(page_size, **q_options)