---------------------------------------------------------------------------
RuntimeError                              Traceback (most recent call last)
/cache/dropbox/Dropbox (Simons Foundation)/Coding/tutorials/TRIQSTutorialsPython/run_single_band.py in <module>()
     15 
     16 # Construct the impurity solver
---> 17 S = Solver(beta = beta, gf_struct = [('up',[0]), ('down',[0])] )
     18 
     19 # I run for several values of U

/mnt/home/wentzell/opt/triqs_unstable/lib/python2.7/site-packages/triqs_cthyb/solver.py in __init__(self, beta, gf_struct, n_iw, n_tau, n_l)
     59                             n_iw=n_iw, n_tau=n_tau, n_l=n_l)
     60 
---> 61         self.Sigma_iw = self.G0_iw.copy()
     62         self.Sigma_iw.zero()
     63         self.G_iw = self.G0_iw.copy()

RuntimeError: The type N5triqs3gfs7gf_meshINS0_6imfreqEEE can not be converted