code: def uncommitted_files(self):
      if not self.is_valid():
          return None
  
      return [item.a_path for item in self.repo.index.diff(None)]
  
file_path: streamlit/lib/streamlit/git_util.py
imports: import os
  import re
  from typing import Any, Optional, Tuple
  from streamlit import util
label_desc: Use image node_id 7 for calling the GitRepo obj's underlying member method code with example usage: obj.uncommitted_files() and returns: unknown, None