def METHOD_NAME(self):
    file_path = os.path.join(self.raw_dir, self.name + ".mat")
    METHOD_NAME(self.url, path=file_path)
    if not check_sha1(file_path, self._sha1_str):
        raise UserWarning(
            "File {} is downloaded but the content hash does not match."
            "The repo may be outdated or download may be incomplete. "
            "Otherwise you can create an issue for it.".format(self.name)
        )