Update bq.py

bq.py

@@ -10,6 +10,9 @@ def preprocess_csv(file_path):
     # Define columns to be converted
     date_columns = ['Order_Date', 'State_Date', 'Entry_Month']
 
+    if 'bag_id_cn' in df.columns:
+        df['bag_id_cn'] = df['bag_id_cn'].replace({'\..*': ''}, regex=True).astype('Int64')
+
     # Convert specified columns from DD/MM/YY to 'YYYY-MM-DD 00:00:00 UTC'
     for column in date_columns:
         if column in df.columns: