update

app.py

@@ -3,9 +3,9 @@
 # using Langchain and deployed with Gradio
 
 from rag import RAG, load_docs
-from langchain_google_genai import ChatGoogleGenerativeAI
+# from langchain_google_genai import ChatGoogleGenerativeAI
 from langchain_community.embeddings import HuggingFaceInstructEmbeddings
-#from langchain.chat_models import ChatOpenAI
+from langchain.chat_models import ChatOpenAI
 import gradio as gr
 import os
 
@@ -14,8 +14,8 @@ docs = load_docs()
 print("Pages loaded:", len(docs))
 
 # LLM model
-#llm = ChatOpenAI(model="gpt-4o-mini")
-llm = ChatGoogleGenerativeAI(model="gemini-2.0-flash", temperature=0)
+llm = ChatOpenAI(model="gpt-4o-mini")
+# llm = ChatGoogleGenerativeAI(model="gemini-2.0-flash", temperature=0)
 
 # Embeddings
 embed_model = "sentence-transformers/multi-qa-distilbert-cos-v1"