我正在尝试在apachespark中使用elephas为二进制文本分类运行keras模型。以下是我的代码：

# my initial spark statements

     from pyspark import SparkContext, SparkConf
     from pyspark.sql import SQLContext
     conf = SparkConf().setAppName('Elephas_App').setMaster('local[4]')
     sc = SparkContext(conf=conf)
     sql_context = SQLContext(sc)
     #SQLcontext is created using sc for realational functionality
     sql_context = SQLContext(sc)

    #elephas estimator parameters
    optimizer_conf = optimizers.Adam(lr = 0.01)
    opt_conf = optimizers.serialize(optimizer_conf)

    estimator = ElephasEstimator()
    estimator.set_keras_model_config(model.to_yaml())
    estimator.set_categorical_labels(True)
    estimator.set_nb_classes(tar_class)
    estimator.set_num_workers(1)
    estimator.set_epochs(5)
    estimator.set_batch_size(64)
    estimator.setFeaturesCol("features")
    estimator.setLabelCol("label")
    estimator.set_verbosity(1)
    estimator.set_validation_split(0.10)
    estimator.set_optimizer_config(opt_conf)
    estimator.set_mode("synchronous")
    estimator.set_loss("binary_crossentrophy")
    estimator.set_metrics(["acc"])

我面临以下问题：

AttributeError                            Traceback (most recent call last)
    <ipython-input-92-74397f47b924> in <module>()
           7 estimator.set_epochs(5)
           8 estimator.set_batch_size(64)
           ----> 9 estimator.setFeaturesCol("features")
           10 estimator.setLabelCol("label")
           11 estimator.set_verbosity(1)

     AttributeError: 'ElephasEstimator' object has no attribute 'setFeaturesCol'

“setfeaturescol”和“setlabelcol”都存在此问题。
谁能帮帮我，因为我是新手？提前谢谢！