[fix] bug parsing output folder names

        # derive output folder names

        out_out_files = []

        for f in out_files:

            regex_filter = r"[/\\][t][m][p][_]\w+[/\\]"

            tmp_name = re.search(regex_filter, str(f)).group().strip()[1:-1]

            # assume that file resides in tmp folder

            tmp_name = f.parent.name

            out_name = tmp_name.replace("tmp_", "")

            if self.condition_in_output_filename:

                f_out = Path(