Update app.py

app.py

@@ -366,7 +366,7 @@ class DemandForecasting:
             input_data = self.parse_text(text, column_list)
 
             #load data
-            train_data = self.load_data(train_csv_path)
+            train_data = self.load_data(train_csv_path.name)
 
             #preprocess the train data
             train_df = self.preprocess_data(train_data, column_list)