Update rag_chain.py

rag_chain.py

@@ -23,7 +23,10 @@ os.environ["OPENAI_API_KEY"] = openai_token
 
 # Hugging Face Embeddings
 os.environ['HF_HOME'] = 'Embedding Models'
-embedding = HuggingFaceEmbeddings(model_name='sentence-transformers/all-MiniLM-L6-v2')
+embedding = HuggingFaceEmbeddings(
+    model_name="Embedding Models/hub/models--sentence-transformers--all-MiniLM-L6-v2",
+    model_kwargs={"local_files_only": True}
+)
 
 # OpenRouter LLM (Meta LLaMA 3.3)
 llm = ChatOpenAI(