fix error

.gitignore

@@ -0,0 +1 @@
+__pycache__/

src/rag_engine.py

@@ -1,12 +1,14 @@
 import json
 import os
 import faiss
-import numpy as np
 from sentence_transformers import SentenceTransformer
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 
 # Load embedding model
-embed_model = SentenceTransformer("sentence-transformers/all-MiniLM-L6-v2")
+os.environ["TRANSFORMERS_CACHE"] = "/tmp/transformers"
+os.environ["HF_HOME"] = "/tmp/huggingface"
+
+embed_model = SentenceTransformer("sentence-transformers/all-MiniLM-L6-v2", cache_folder="/tmp/sentence_transformers")
 
 print(f"DebugLogs___ Current position: {os.getcwd()}")
 # Load your JSON KB