Loads this cascade from the given HDF5 file.

    **Parameters:**

    ``hdf5`` : :py:class:`bob.io.base.HDF5File`
      An HDF5 file open for reading

def load(self, hdf5):
    """Loads this cascade from the given HDF5 file.

    **Parameters:**

    ``hdf5`` : :py:class:`bob.io.base.HDF5File`
      An HDF5 file open for reading
    """
    # write the cascade to file
    self.thresholds = hdf5.read("Thresholds")
    self.cascade = []
    for i in range(len(self.thresholds)):
      hdf5.cd("Classifier_%d" % (i+1))
      self.cascade.append(bob.learn.boosting.BoostedMachine(hdf5))
      hdf5.cd("..")
    hdf5.cd("FeatureExtractor")
    self.extractor = FeatureExtractor(hdf5)
    hdf5.cd("..")
    self._indices()