@utils.positional(<NUM_LIT:2>)<EOL><INDENT>def count_async(self, limit=None, **q_options):<DEDENT>
qry = self._fix_namespace()<EOL>return qry._count_async(limit=limit, **q_options)<EOL>
Count the number of query results, up to a limit.

        This is the asynchronous version of Query.count().