Pims tweaks

trying to fix metadata.json

shared/workspaces/workspaces/workflow/schema.py

@@ -157,7 +157,7 @@ class WorkflowTemplate(JSONSerializable):
         # add some rendering helpers to the argument
         render_helpers = {"make_condor_jobname": self.make_condor_jobname}
         if "splits" in argument:
-            argument["splits"] = json.dumps(argument["splits"])
+            argument["splits_str"] = json.dumps(argument["splits"])
 
         argument = {**render_helpers, **argument}