if remainingProcessingTime dict is already formulated as dict then do not do that again

dream/plugins/InsertWIP.py

@@ -33,6 +33,9 @@ class InsertWIP(plugin.InputPreparationPlugin):
       remainingProcessingTime = work.get("remainingProcessingTime", 0)
       # XXX the time is considered to be provided as a single value
       if remainingProcessingTime:
+        if isinstance(remainingProcessingTime, dict):
+          wip[-1]["remainingProcessingTime"] = remainingProcessingTime
+        else:
           # XXX hard-coded distribution of type Fixed - reconsider for stochastic analyis
           wip[-1]["remainingProcessingTime"] = {"Fixed": {"mean": remainingProcessingTime}}
       node["wip"] = wip