How to use the gseapy.utils.log_init function in gseapy

self.max_size=max_size
        self.permutation_num=int(permutation_num) if int(permutation_num) > 0 else 0
        self.weighted_score_type=weighted_score_type
        self.ascending=ascending
        self._processes=processes
        self.figsize=figsize
        self.format=format
        self.graph_num=int(graph_num)
        self.seed=seed
        self.verbose=bool(verbose)
        self.module='gsea'
        self.ranking=None
        self._noplot=no_plot
        # init logger
        logfile = self.prepare_outdir()
        self._logger = log_init(outlog=logfile,
                                log_level=logging.INFO if self.verbose else logging.WARNING)

self.indir=indir
        self.outdir=outdir
        self.weighted_score_type=weighted_score_type
        self.min_size=min_size
        self.max_size=max_size
        self.figsize=figsize
        self.fignum=int(graph_num)
        self.format=format
        self.verbose=bool(verbose)
        self.module='replot'
        self.gene_sets=None
        self.ascending=False
        # init logger
        mkdirs(self.outdir)
        outlog = os.path.join(self.outdir,"gseapy.%s.%s.log"%(self.module,"run"))
        self._logger = log_init(outlog=outlog,
                                log_level=logging.INFO if self.verbose else logging.WARNING)
    def run(self):

self.max_size=max_size
        self.permutation_num=int(permutation_num) if int(permutation_num) > 0 else 0
        self.ascending=ascending
        self.figsize=figsize
        self.format=format
        self.graph_num=int(graph_num)
        self.seed=seed
        self.verbose=bool(verbose)
        self.ranking=None
        self.module='ssgsea'
        self._processes=processes
        self._noplot=no_plot
        # init logger

        logfile = self.prepare_outdir()
        self._logger = log_init(outlog=logfile,
                                log_level=logging.INFO if self.verbose else logging.WARNING)