adding creation_date field

app.py

@@ -164,6 +164,7 @@ def prepare_data():
     )
     daily_info["creation_date"] = daily_info["creation_timestamp"].dt.date
     unknown_traders["creation_date"] = unknown_traders["creation_timestamp"].dt.date
+    active_traders["creation_date"] = active_traders["creation_timestamp"].dt.date
     # adding the trader family column
     traders_data["trader_family"] = traders_data.apply(
         lambda x: get_traders_family(x), axis=1