Update app.py

app.py

@@ -36,7 +36,8 @@ def frequencies(preds):
 	fig, ax = plt.subplots(figsize=(6, 6))
 	ax.pie(x, labels=labels, autopct='%.1f%%')
 	ax.set_title('Emotion frequencies')
-	return plt.tight_layout()
+    plt.tight_layout()
+	return plt
     
 def inference_dataset(file_object, option_list):
     tokenizer = AutoTokenizer.from_pretrained(inference_modelpath)