fixup! py2/py3: modernize -f dict_six.

bt5/erp5_forge/SkinTemplateItem/portal_skins/erp5_toolbox/Base_viewSimulationTree.py

@@ -6,6 +6,8 @@ simulations_found = context.Base_getSimulationTree(start_path=start_path)
 if len(simulations_found) == 0:
   print('No simulations related')
 else:
+  for simulation_root in simulations_found:
+    print(simulation_root)
     for simulation in simulations_found[simulation_root]:
       print('\t',simulation.getPath(),simulation.getPortalType(), end=' ')
       if simulation.getPortalType() == 'Simulation Movement':