do not load /Event/Rec/Summary automagically

PyConf/python/PyConf/application.py

@@ -892,7 +892,14 @@ def configure_input(options):
         input_iohelper = IOHelper(options.input_type, options.output_type
                                   or None)
         # setupServices may create (the wrong) EventDataSvc, so do it first
-        extra_args = {'EvtStoreSvc': {'FollowAncestors': False}}
+        # Old L(DST) may contain old 'unpacked' RecSummary -- which we don't
+        # want loaded automatically, as it is most likely out-of-sync with 
+        # the reconstruction which gets unpacked from the DstData bank.
+        # If needed, it _may_ be possible (?) to still load it explicitly
+        # using FetchDataFromFile...
+        extra_args = {'EvtStoreSvc': {'FollowAncestors': False, 
+                                      'InhibitedPathPrefixes':['/Event/Rec/Summary'] },
+                      'HiveWhiteBoard':{ 'InhibitPathes' : ['/Event/Rec/Summary'] }}
         setup_component(
             options.event_store,
             instance_name='EventDataSvc',