code: def gist_diff():
      
      remote_file = wget(RAW_GIST)
      proc = subprocess.Popen(('diff - %s'%MY_PATH).split(),
                              stdin=subprocess.PIPE,
                              stdout=subprocess.PIPE)
      stdout, stderr = proc.communicate(remote_file)
      return stdout
docs: Diff this file with the gist on github