I can run simple workflow

src/utils/Datahelper.py

@@ -1,6 +1,7 @@
 from dataclasses import is_dataclass
 
 from components.datagrid_new.db_management import DataGridDbManager
+from core.Expando import Expando
 
 
 class DataHelper:
@@ -16,6 +17,8 @@ class DataHelper:
     if object_type:
       if is_dataclass(object_type):
         return [object_type(**row) for row in dataframe.to_dict(orient="records")]
+      elif object_type is Expando:
+        return [Expando(row) for row in dataframe.to_dict(orient="records")]
       else:
         raise ValueError("object_type must be a dataclass type")