-from sfa.server.sfaapi import SfaApi
-from sfa.plc.aggregate import Aggregate
-from sfa.plc.slices import Slice, Slices
+from sfa.plc.plaggregate import PlAggregate
+# No Slice symbol in there
+#from sfa.plc.plslices import Slice, Slices
+from sfa.plc.plslices import PlSlices