code: def timescales(self):
          r
          from msmtools.analysis.dense.decomposition import timescales_from_eigenvalues as _timescales
  
          self._ensure_spectral_decomposition()
          ts = _timescales(self._eigenvalues, tau=self._lag)
          return ts[1:]
docs: r""" Relaxation timescales of the hidden transition matrix
  
          Returns
          -------
          ts : ndarray(m)
              relaxation timescales in units of the input trajectory time step,
              defined by :math:`-tau / ln | \lambda_i |, i = 2,...,nstates`, where
              :math:`\lambda_i` are the hidden transition matrix eigenvalues.