code: def get_koji_upload_dir():
          
          dir_prefix = 'koji-upload'
          random_chars = ''.join([random.choice(ascii_letters)
                                  for _ in range(8)])
          unique_fragment = '%r.%s' % (time.time(), random_chars)
          return os.path.join(dir_prefix, unique_fragment)
docs: Create a path name for uploading files to
  
          :return: str, path name expected to be unique