fixing datetime error:

scripts/utils.py

@@ -168,6 +168,9 @@ def prepare_data():
         "UTC"
     )
     all_trades = all_trades.sort_values(by="creation_timestamp", ascending=True)
+    all_trades["creation_timestamp"] = pd.to_datetime(
+        all_trades["creation_timestamp"], errors="coerce"
+    )
     all_trades["creation_date"] = all_trades["creation_timestamp"].dt.date
 
     # nr-trades variable
@@ -180,6 +183,9 @@ def prepare_data():
     traders_data = pd.merge(
         all_trades, volume_trades_per_trader_and_market, on=["trader_address", "title"]
     )
+    daily_info["creation_timestamp"] = pd.to_datetime(
+        daily_info["creation_timestamp"], errors="coerce"
+    )
     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