as_metfiles(date)
            metfiles = [self.metdir + filename for filename in metfiles]
            self.create_control_file(
                start_time, metfiles, outfile, vertical=vertical, model_top=model_top
            )
            copy2(self.workpath + &#34;CONTROL&#34;, cdir + self.get_out_date(date))
        return self


class HyParallel:
    def __init__(
        self,
        files,
        ncpu=4,
        temp_folder=&#34;/home/pankaj/phd/code/hytraj/test&#34;,
        working=&#34;/home/pan