Update app.py

app.py

@@ -19,6 +19,8 @@ from lvdm.models.modules.lora import change_lora
 from lvdm.utils.saving_utils import tensor_to_mp4
 
 from huggingface_hub import hf_hub_download
+import subprocess
+import shlex 
 
 config_path = "model_config.yaml"
 config = OmegaConf.load(config_path)