code: def _add_tc_script(self):
          
          # fill context
          context = dict(tc_options=self.config.get('tc_options', []))
          # import pdb; pdb.set_trace()
          contents = self._render_template('tc_script.sh', context)
          self.config.setdefault('files', [])  # file list might be empty
          # add tc_script.sh to list of included files
          self._add_unique_file({
              "path": "/tc_script.sh",
              "contents": contents,
              "mode": "755"
          })
docs: generates tc_script.sh and adds it to included files