get the pathsimulator object from the top name space

ops_tse/transitionstate_ensemble.py

 #!/usr/bin/env python2
 
-from openpathsampling.pathsimulators import PathSimulator
 import openpathsampling as paths
 import os
 
 
-class TransitionStateEnsemble(PathSimulator):
+class TransitionStateEnsemble(paths.PathSimulator):
     """
     Transition state ensemble simulation. Which snapshot from a trajectory
     results in a certain committor?