Update utils.py

utils.py

@@ -99,7 +99,8 @@ def process_dataframe(df):
 
     # Create a DataFrame from the new data
     new_df = pd.DataFrame(new_data)
-    new_df=new_df.reset_index(name='Pattern')
+    new_df=new_df.reset_index()
+    new_df.rename(columns={'index': 'Pattern'}, inplace=True)
     # Calculate I-Support by dividing I-Frequency with num_student
     new_df['I-Support (mean)'] = new_df['I-Frequency'] / num_student
     new_df['S-Support'] = new_df['S-Frequency'] / num_student