How to use the ipyparallel.require function in ipyparallel

@require(seqcluster)
def seqcluster_cluster(*args):
    args = ipython.unzip_args(args)
    with _setup_logging(args) as config:
        return ipython.zip_args(apply(seqcluster.run_cluster, *args))

@require(rapmap)
def run_rapmap_align(*args):
    args = ipython.unzip_args(args)
    with _setup_logging(args):
        return ipython.zip_args(apply(rapmap.run_rapmap_align, *args))

@require(vcfutils)
def concat_variant_files(*args):
    args = ipython.unzip_args(args)
    with _setup_logging(args) as config:
        return ipython.zip_args(apply(vcfutils.concat_variant_files, *args))

@require(peaks)
def peakcalling(* args):
    args = ipython.unzip_args(args)
    with _setup_logging(args) as config:
        return ipython.zip_args(apply(peaks.calling, *args))

@require(run_info)
def organize_samples(*args):
    args = ipython.unzip_args(args)
    with _setup_logging(args) as config:
        return ipython.zip_args(apply(run_info.organize, *args))

@require(multiqc)
def multiqc_summary(*args):
    args = ipython.unzip_args(args)
    with _setup_logging(args) as config:
        return ipython.zip_args(apply(multiqc.summary, *args))

@require(rnaseq)
def detect_fusions(*args):
    args = ipython.unzip_args(args)
    with _setup_logging(args) as config:
        return ipython.zip_args(apply(rnaseq.detect_fusions, *args))

@require(rnaseq)
def run_cufflinks(*args):
    args = ipython.unzip_args(args)
    with _setup_logging(args) as config:
        return ipython.zip_args(apply(rnaseq.run_cufflinks, *args))

@require(population)
def prep_gemini_db(*args):
    args = ipython.unzip_args(args)
    with _setup_logging(args) as config:
        return ipython.zip_args(apply(population.prep_gemini_db, *args))

@require(rnaseq)
def run_rnaseq_ann_filter(*args):
    args = ipython.unzip_args(args)
    with _setup_logging(args) as config:
        return ipython.zip_args(apply(rnaseq.run_rnaseq_ann_filter, *args))