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try:
    from asyncio import create_task  # pylint: disable=unused-import
except ImportError:
    # create_task is not present in Python 3.6. Once Airflow is at 3.7+, we can
    # remove this helper.
    def create_task(*args, **kwargs):
        """A version of create_task that always errors."""
        raise RuntimeError("Airflow's async functionality is only available on Python 3.7+")