Update app.py

app.py

@@ -107,8 +107,8 @@ def main():
         industry_df = read_csv_or_excel(industry_file)
 
         # Get column names
-        warehouse_columns = [""] + warehouse_df.columns.tolist()  # Add blank option at the beginning
-        industry_columns = [""] + industry_df.columns.tolist()  # Add blank option at the beginning
+        warehouse_columns = warehouse_df.columns.tolist()
+        industry_columns = industry_df.columns.tolist()
 
 
         # Select columns using dropdowns