def obtain(self, dest):
        url, rev = self.get_url_rev()
        rev_options = get_rev_options(url, rev)
        if rev:
            rev_display = rev % ' (to revision %s)'
        else:
            rev_display = ''
        if self.check_destination(dest, url, rev_options, rev_display):
            logger.info(
                'Checking out %s%s to %s',
                url,
                rev_display,
                display_path(dest),
            )
            self.run_command(['checkout', '-q'] + rev_options + [url, dest])
dataset/ETHPy150Open anzev/hedwig/build/pip/pip/vcs/subversion.py/Subversion.obtain/swapped operands of `%`