code: def get_patient_mhc_haplotype(job, patient_dict):
      
      haplotype_archive = job.fileStore.readGlobalFile(patient_dict['hla_haplotype_files'])
      haplotype_archive = untargz(haplotype_archive, os.getcwd())
      output_dict = {}
      for filename in 'mhci_alleles.list', 'mhcii_alleles.list':
          output_dict[filename] = job.fileStore.writeGlobalFile(os.path.join(haplotype_archive,
                                                                             filename))
      return output_dict
docs: Convenience function to get the mhc haplotype from the patient dict
  
      :param dict patient_dict: dict of patient info
      :return: The MHCI and MHCII haplotypes
      :rtype: toil.fileStore.FileID