Update app.py

app.py

@@ -9,6 +9,11 @@ from langchain.embeddings import HuggingFaceEmbeddings
 from langchain.vectorstores import FAISS
 from langchain.chains import RetrievalQA
 from streamlit_pdf_viewer import pdf_viewer
+import dotenv
+dotenv.load_dotenv()
+import os
+
+token = os.getenv("Token")
 
 def init_page() -> None:
     st.set_page_config(page_title="PDF Chatbot")
@@ -33,7 +38,6 @@ def main() -> None:
     # Sidebar: LLM selection and PDF file uploader
     with st.sidebar:
         st.title("Options")
-        token = st.text_input("HuggingFace Token")
         selected_model = st.selectbox(
             "Select LLM",
             options=[