Update qabot.py

qabot.py

@@ -6,6 +6,12 @@ from langchain_community.embeddings import GPT4AllEmbeddings
 from langchain_community.vectorstores import FAISS
 
 from huggingface_hub import hf_hub_download
+
+import os
+
+# Fix Hugging Face cache path for Docker Spaces
+os.environ["HF_HOME"] = "/home/user/app/hf_cache"
+
 # !pip install llama-cpp-python
 
 # from llama_cpp import Llama