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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 run_indel_caller(job, tumor_bam, normal_bam, univ_options, indel_options):
 """ This module will run an indel caller on the DNA bams. This module will be implemented in the future. This module corresponds to node 13 on the tree """

    job.fileStore.logToMaster('Running INDEL on %s' % univ_options['patient'])
    indel_file = job.fileStore.getLocalTempFile()
    output_file = job.fileStore.writeGlobalFile(indel_file)
    return output_file