def fingerprint(self, field_keys=None):
    field_keys = frozenset(field_keys or self._fields.keys())
    if field_keys not in self._fingerprint_memo_map:
      self._fingerprint_memo_map[field_keys] = self._compute_fingerprint(field_keys)
    return self._fingerprint_memo_map[field_keys]
Grab data from matfile specified by matfilepath
dataset/ETHPy150Open pantsbuild/pants/src/python/pants/base/payload.py/Payload.fingerprint--crossover with--dataset/ETHPy150Open daeilkim/refinery/refinery/bnpy/bnpy-dev/demodata/NIPS.py/get_data