Update app.py

app.py

@@ -14,7 +14,7 @@ class AttendanceTracker:
 
     def load_original_attendance_list(self, course):
         # Load the CSV file using datasets package
-        dataset = load_dataset(self.dataset_id, data_files={course: f"{course}.csv"},split=f"{ML}")
+        dataset = load_dataset(self.dataset_id, data_files={course: f"{course}.csv"},split=f"{course}")
         attendance_list = [entry['Name'] for entry in dataset]
         return attendance_list