Merge pull request #10957 from AUTOMATIC1111/fallback_version_info

def git_tag():

    try:

        return subprocess.check_output([git, "describe", "--tags"], shell=False, encoding='utf8').strip()

    except Exception:

        try:

            from pathlib import Path

            changelog_md = Path(__file__).parent.parent / "CHANGELOG.md"

            with changelog_md.open(encoding="utf-8") as file:

                return next((line.strip() for line in file if line.strip()), "<none>")

        except Exception:

            return "<none>"