code: def test_git_version():
      # GH 21295
      git_version = pd.__git_version__
      assert len(git_version) == 40
      assert all(c in string.hexdigits for c in git_version)
  
imports: import collections
  from functools import partial
  import string
  import subprocess
  import sys
  import textwrap
  import numpy
  import pytest
  import pandas
  from pandas import Series
  import pandas._testing
  from pandas.core import ops
  import pandas.core.common
  from pandas.util.version import Version
label_desc: Use image node_id 7 for calling a global function with example usage: test_git_version() without return types