code: def _get_path(dataset_name):
    
    path = _checksum_paths().get(dataset_name, None)
    if path:
      return path
    msg = ('No checksums file could be find for dataset %s. Please create one in '
           'one of: %s') % (dataset_name, ', '.join(_CHECKSUM_DIRS))
    raise AssertionError(msg)
docs: Returns path to where checksums are stored for a given dataset.