code: def test_git_repo_valid(self):
      with patch(
          "git.repo.base.Repo.GitCommandWrapperType"
      ) as git_mock, patch("streamlit.git_util.os"):
          git_mock.return_value.version_info = (
              2,
              20,
              3,
          )  # A recent git version
          repo = GitRepo(".")
          self.assertTrue(repo.is_valid())
          self.assertEqual((2, 20, 3), repo.git_version)
  
file_path: streamlit/lib/tests/streamlit/git_util_test.py
imports: import unittest
  from unittest.mock import patch
  from git.exc import InvalidGitRepositoryError
  from streamlit.git_util import GITHUB_HTTP_URL, GITHUB_SSH_URL, GitRepo
label_desc: Use image node_id 5 for calling the GitUtilTest obj's underlying member method code with example usage: obj.test_git_repo_valid() without return types