Define self._neighborhoods = None in initializer
@@ -141,6 +141,7 @@ class MultiStateSampler(object):
self._replica_thermodynamic_states = None
self._iteration = None
self._energy_thermodynamic_states = None
+ self._neighborhoods = None
self._energy_unsampled_states = None
self._n_accepted_matrix = None
self._n_proposed_matrix = None
