def METHOD_NAME(self):
    """
    Returns True if the cached data matches the checksum.
    """
    METHOD_NAME = False
    if self.is_cached() and self.sha256_file.exists():
        with open(self.sha256_file, "r") as f:
            cached_sha256 = f.read().strip()
        METHOD_NAME = self.sha256 == cached_sha256
    return METHOD_NAME