fix errors

app.py

@@ -208,10 +208,10 @@ def load_data():
 
 		predictions, labels = get_predictions_labels(model, dataloader)
 
- 		predicted_feedback = extract_feedback(predictions)
-  		predicted_labels = extract_labels(predictions)
+		predicted_feedback = extract_feedback(predictions)
+        predicted_labels = extract_labels(predictions)
 
-   		reference_feedback = [x.split('Feedback:', 1)[1].strip() for x in labels]
+        reference_feedback = [x.split('Feedback:', 1)[1].strip() for x in labels]
     	reference_labels = [x.split('Feedback:', 1)[0].strip() for x in labels]
 
 		rouge_score = rouge.compute(predictions=predicted_feedback, references=reference_feedback)['rouge2']
@@ -228,7 +228,7 @@ def load_data():
 		new_row = pd.Dataframe("Model" : get_model(ds), "Dataset" : ds, "SacreBLEU" : bleu_score, "ROUGE-2" : rouge_score, "METEOR" : meteor_score, "BERTScore" : bert_score, "Accuracy" : accuracy_value, "Weighted F1" : f1_weighted_value, "Macro F1": f1_macro_value)
 
 		df = pd.concat([df, new_row])
-	return df
+    return df
 
 dataframe = load_data()