code: def _create_model_card(repo_dir: Path):
      """Creates a model card for the repository.
  
      TODO: Add metrics to model-index
      TODO: Use information from common model cards
      """
      readme_path = repo_dir / "README.md"
      prev_readme = ""
      if readme_path.exists():
          with readme_path.open("r", encoding="utf8") as f:
              prev_readme = f.read()
      with readme_path.open("w", encoding="utf-8") as f:
          f.write(README_TEMPLATE)
          f.write(prev_readme)
  
file_path: allennlp/allennlp/common/push_to_hf.py
imports: import logging
  import shutil
  import tarfile
  import tempfile
  import zipfile
  from os import PathLike
  from pathlib import Path
  from typing import Optional, Union
  from huggingface_hub import HfApi, HfFolder, Repository
  from allennlp.common.file_utils import cached_path
label_desc: Use image node_id 1 for calling a global function with example usage: _create_model_card(repo_dir) without return types