update app.py

app.py

@@ -206,8 +206,6 @@ def downvote(knowledge_base, query):
 
 device = 'cuda'
 
-os.system(f'rm -rf /data-nvme/zerogpu-offload/*')
-
 print("emb model load begin...")
 model_path = 'openbmb/VisRAG-Ret' # replace with your local model path
 tokenizer = AutoTokenizer.from_pretrained(model_path, trust_remote_code=True)