Raise RequestParameterInvalidException if workflow version is not an int

Author: nsoranzo

lib/galaxy/webapps/galaxy/api/workflows.py

@@ -344,7 +344,10 @@ def workflow_dict(self, trans: GalaxyWebTransaction, workflow_id, **kwd):
         download_format = kwd.get("format")
         version = kwd.get("version")
         if version is not None:
-            version = int(version)
+            try:
+                version = int(version)
+            except ValueError:
+                raise exceptions.RequestParameterInvalidException("Invalid version specified.")
         history = None
         if history_id := kwd.get("history_id"):
             history = self.history_manager.get_accessible(