Update app.py

app.py

@@ -42,6 +42,7 @@ bise_net = BiSeNet(n_classes = 19)
 bise_net.load_state_dict(torch.load(bise_net_cp_path, map_location="cpu")) # device fail
 bise_net.cuda()
 
+import sys
 sys.path.append("./models/LLaVA")
 from llava.model.builder import load_pretrained_model
 from llava.mm_utils import get_model_name_from_path