How to use the sparkmagic.utils.configuration.default_samplefraction function in sparkmagic

def __init__(self, query, samplemethod=None, maxrows=None, samplefraction=None, spark_events=None, coerce=None):
        super(SQLQuery, self).__init__()
        
        if samplemethod is None:
            samplemethod = conf.default_samplemethod()
        if maxrows is None:
            maxrows = conf.default_maxrows()
        if samplefraction is None:
            samplefraction = conf.default_samplefraction()

        if samplemethod not in {u'take', u'sample'}:
            raise BadUserDataException(u'samplemethod (-m) must be one of (take, sample)')
        if not isinstance(maxrows, int):
            raise BadUserDataException(u'maxrows (-n) must be an integer')
        if not 0.0 <= samplefraction <= 1.0:
            raise BadUserDataException(u'samplefraction (-r) must be a float between 0.0 and 1.0')

        self.query = query
        self.samplemethod = samplemethod
        self.maxrows = maxrows
        self.samplefraction = samplefraction
        if spark_events is None:
            spark_events = SparkEvents()
        self._spark_events = spark_events
        self._coerce = coerce

def __init__(self, query, samplemethod=None, maxrows=None, samplefraction=None, spark_events=None):
        super(SQLQuery, self).__init__()
        
        if samplemethod is None:
            samplemethod = conf.default_samplemethod()
        if maxrows is None:
            maxrows = conf.default_maxrows()
        if samplefraction is None:
            samplefraction = conf.default_samplefraction()

        if samplemethod not in {u'take', u'sample'}:
            raise BadUserDataException(u'samplemethod (-m) must be one of (take, sample)')
        if not isinstance(maxrows, int):
            raise BadUserDataException(u'maxrows (-n) must be an integer')
        if not 0.0 <= samplefraction <= 1.0:
            raise BadUserDataException(u'samplefraction (-r) must be a float between 0.0 and 1.0')

        self.query = query
        self.samplemethod = samplemethod
        self.maxrows = maxrows
        self.samplefraction = samplefraction
        if spark_events is None:
            spark_events = SparkEvents()
        self._spark_events = spark_events

def __init__(self, output_var, samplemethod=None, maxrows=None, samplefraction=None, spark_events=None, coerce=None):
        super(SparkStoreCommand, self).__init__("", spark_events)

        if samplemethod is None:
            samplemethod = conf.default_samplemethod()
        if maxrows is None:
            maxrows = conf.default_maxrows()
        if samplefraction is None:
            samplefraction = conf.default_samplefraction()

        if samplemethod not in {u'take', u'sample'}:
            raise BadUserDataException(u'samplemethod (-m) must be one of (take, sample)')
        if not isinstance(maxrows, int):
            raise BadUserDataException(u'maxrows (-n) must be an integer')
        if not 0.0 <= samplefraction <= 1.0:
            raise BadUserDataException(u'samplefraction (-r) must be a float between 0.0 and 1.0')

        self.samplemethod = samplemethod
        self.maxrows = maxrows
        self.samplefraction = samplefraction
        self.output_var = output_var
        if spark_events is None:
            spark_events = SparkEvents()
        self._spark_events = spark_events
        self._coerce = coerce