Update app.py

app.py

@@ -220,7 +220,7 @@ Sim_CSE_model = SentenceTransformer('VoVanPhuc/sup-SimCSE-VietNamese-phobert-bas
 Sim_CSE_word_ques_embeddings = torch.load('.\source\word_ques_embeddings.pth')
 
 para_model = SentenceTransformer('sentence-transformers/paraphrase-multilingual-mpnet-base-v2')
-para_question_embeddings = torch.load('.\source\para_embeddings.pth')
+para_question_embeddings = torch.load('./source/para_embeddings.pth')
 
 rerank_model = CrossEncoder('unicamp-dl/mMiniLM-L6-v2-mmarco-v2')