Update app.py

app.py

@@ -8,9 +8,11 @@ from langchain.text_splitter import RecursiveCharacterTextSplitter
 from langchain.vectorstores import FAISS
 from langchain.memory import ConversationBufferMemory
 from langchain_openai import ChatOpenAI
+import os
 
 from huggingface_hub import login
-login(token =st.secrets["HF"])
+login(token = st.secrets["HF"])
+os.environ["OPENAI_API_KEY"] = st.secrets["OPENAI_API_KEY"])
 
 # Function to load documents 
 def load_documents():