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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 load_job(self, job):
 """ Load the job from the given ``Job`` object. :param job: the job to load :type job: :class:`~aeneas.job.Job` :raises: :class:`~aeneas.executejob.ExecuteJobInputError`: if ``job`` is not an instance of :class:`~aeneas.job.Job` """

        if not isinstance(job, Job):
            self.log_exc(u"job is not an instance of Job", None, True, ExecuteJobInputError)
        self.job = job