Update app.py

app.py

@@ -155,7 +155,7 @@ def data_process(layout, step, desk, seatid, color, instructor):
             backup_filename = f'data_statistics_{current_time}.csv'
             shutil.move(file_path, backup_filename)
             # update file
-            temp_stat = raw_data[~raw_data['step'].str.contains('Step 2: Update the locations of centroids (only for centroid student to select)')]
+            temp_stat = raw_data[raw_data['step'] != 'Step 2: Update the locations of centroids (only for centroid student to select)']
             temp_stat.to_csv(file_path, index=False)
             print("Data udpated")
             print("temp_stat: ",temp_stat)
@@ -204,7 +204,7 @@ def data_process(layout, step, desk, seatid, color, instructor):
             backup_filename = f'data_statistics_{current_time}.csv'
             shutil.move(file_path, backup_filename)
             # update file
-            temp_stat = raw_data[~raw_data['step'].str.contains('Step 3: Find the closest centroid & update cluster label assignments (for all participator)')]
+            temp_stat = raw_data[raw_data['step'] != 'Step 3: Find the closest centroid & update cluster label assignments (for all participator)']
             temp_stat.to_csv(file_path, index=False)
             print("Data udpated")
             print("temp_stat: ",temp_stat)