Update app.py

app.py

@@ -12,6 +12,9 @@ from nltk.corpus import stopwords
 from datasets import load_dataset
 from sentence_transformers import SentenceTransformer, util
 from retry import retry
+from transformers import pipeline
+
+pipe = pipeline("translation", model="Helsinki-NLP/opus-mt-en-es")
 
 # 确保已下载 nltk 的停用词
 nltk.download('stopwords')