How to use the memorious.settings._datastore function in memorious

def load_datastore():
    if not hasattr(settings, '_datastore'):
        if not settings.DATASTORE_URI:
            raise RuntimeError("No $MEMORIOUS_DATASTORE_URI.")
        # do not pool connections for the datastore
        engine_kwargs = {'poolclass': NullPool}
        settings._datastore = dataset.connect(settings.DATASTORE_URI,
                                              engine_kwargs=engine_kwargs)
        # Use bigint to store integers by default
        settings._datastore.types.integer = settings._datastore.types.bigint
    return settings._datastore

def load_datastore():
    if not hasattr(settings, '_datastore'):
        if not settings.DATASTORE_URI:
            raise RuntimeError("No $MEMORIOUS_DATASTORE_URI.")
        # do not pool connections for the datastore
        engine_kwargs = {'poolclass': NullPool}
        settings._datastore = dataset.connect(settings.DATASTORE_URI,
                                              engine_kwargs=engine_kwargs)
        # Use bigint to store integers by default
        settings._datastore.types.integer = settings._datastore.types.bigint
    return settings._datastore

def load_datastore():
    if not hasattr(settings, '_datastore'):
        if not settings.DATASTORE_URI:
            raise RuntimeError("No $MEMORIOUS_DATASTORE_URI.")
        # do not pool connections for the datastore
        engine_kwargs = {'poolclass': NullPool}
        settings._datastore = dataset.connect(settings.DATASTORE_URI,
                                              engine_kwargs=engine_kwargs)
        # Use bigint to store integers by default
        settings._datastore.types.integer = settings._datastore.types.bigint
    return settings._datastore

def load_datastore():
    if not hasattr(settings, '_datastore'):
        if not settings.DATASTORE_URI:
            raise RuntimeError("No $MEMORIOUS_DATASTORE_URI.")
        # do not pool connections for the datastore
        engine_kwargs = {'poolclass': NullPool}
        settings._datastore = dataset.connect(settings.DATASTORE_URI,
                                              engine_kwargs=engine_kwargs)
        # Use bigint to store integers by default
        settings._datastore.types.integer = settings._datastore.types.bigint
    return settings._datastore

def load_datastore():
    if not hasattr(settings, '_datastore'):
        if not settings.DATASTORE_URI:
            raise RuntimeError("No $MEMORIOUS_DATASTORE_URI.")
        # do not pool connections for the datastore
        engine_kwargs = {'poolclass': NullPool}
        settings._datastore = dataset.connect(settings.DATASTORE_URI,
                                              engine_kwargs=engine_kwargs)
        # Use bigint to store integers by default
        settings._datastore.types.integer = settings._datastore.types.bigint
    return settings._datastore

def load_datastore():
    if not hasattr(settings, '_datastore'):
        if not settings.DATASTORE_URI:
            raise RuntimeError("No $MEMORIOUS_DATASTORE_URI.")
        # do not pool connections for the datastore
        engine_kwargs = {'poolclass': NullPool}
        settings._datastore = dataset.connect(settings.DATASTORE_URI,
                                              engine_kwargs=engine_kwargs)
        # Use bigint to store integers by default
        settings._datastore.types.integer = settings._datastore.types.bigint
    return settings._datastore