Not necessary to check that current_version is None here, that's done by the restriction engine

shared/workspaces/workspaces/capability/services/capability_info.py

@@ -785,7 +785,7 @@ class RestrictedInfo(CapabilityInfo):
         current_version_files = request.current_version.files
 
         # Store the previous execution's spool directory for reusing bits of it
-        if request.current_version and request.current_version.workflow_metadata:
+        if request.current_version.workflow_metadata:
             parameters["prev_spool_dir"] = request.current_version.workflow_metadata["processing_dir"]
 
         version = CapabilityVersion(