Update minigpt4_video_demo.py

minigpt4_video_demo.py

@@ -21,6 +21,10 @@ from huggingface_hub import login, hf_hub_download
 hf_token = os.environ.get('HF_TKN')
 login(token=hf_token)
 
+folder_name = "checkpoints"
+if not os.path.exists(folder_name):
+    os.makedirs(folder_name)
+    
 hf_hub_download(
     repo_id='Vision-CAIR/MiniGPT4-Video',
     subfolder='checkpoints',