Reference at 'refs/heads/master' does not exist问题求解

问题遇到的现象和发生背景

跑rlcard的斗地主

问题相关代码，请勿粘贴截图

ef gather_metadata() -> Dict:
    date_start = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S.%f')
    # gathering git metadata
    try:
        repo = git.Repo(search_parent_directories=True)
        git_sha = repo.commit().hexsha
        git_data = dict(
            commit=git_sha,
            branch=repo.active_branch.name,
            is_dirty=repo.is_dirty(),
            path=repo.git_dir,
        )
    except git.InvalidGitRepositoryError:
        git_data = None
    # gathering slurm metadata
    if 'SLURM_JOB_ID' in os.environ:
        slurm_env_keys = [k for k in os.environ if k.startswith('SLURM')]
        slurm_data = {}
        for k in slurm_env_keys:
            d_key = k.replace('SLURM_', '').replace('SLURMD_', '').lower()
            slurm_data[d_key] = os.environ[k]
    else:
        slurm_data = None
    return dict(
        date_start=date_start,
        date_end=None,
        successful=False,
        git=git_data,
        slurm=slurm_data,
        env=os.environ.copy(),
    )

运行结果及报错内容

我的解答思路和尝试过的方法

目前还不知道咋整

我想要达到的结果