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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def base_object(self):
 """ Returns the base object to apply the setups to. :return: the base object :rtype: JavaObject or OptionHandler """

        jobj = javabridge.call(self.jobject, "getBaseObject", "()Ljava/io/Serializable;")
        if OptionHandler.check_type(jobj, "weka.core.OptionHandler"):
            return OptionHandler(jobj)
        else:
            return JavaObject(jobj)