<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _lint(self):
 """Run linter in a subprocess."""

        command = self._get_command()
        process = subprocess.run(command, stdout=subprocess.PIPE,  # nosec
                                 stderr=subprocess.PIPE)
        LOG.info('Finished %s', ' '.join(command))
        stdout, stderr = self._get_output_lines(process)
        return self._linter.parse(stdout), self._parse_stderr(stderr)