old_contents: __version__ = "3.1.0"
  __build__ = "1"
  try:
      import subprocess
      d = subprocess.check_output(['git', 'rev-parse', '--short', 'HEAD'])
      __build__ = str(d).strip()
  except:
      import logging
      import sys
      logging.warning("Error while determining build number\n  %s" % sys.exc_value)
  
new_contents: __version__ = "3.1.0"
  __build__ = "1"
  
subject: Remove access git revision