Update app.py

app.py

@@ -1,7 +1,6 @@
 import os
 import time
 import streamlit as st
-from streamlit_autorefresh import st_autorefresh
 from twilio.rest import Client
 from pdfminer.high_level import extract_text
 from sentence_transformers import SentenceTransformer
@@ -12,8 +11,15 @@ import docx
 import PyPDF2
 import requests
 
+# --- Streamlit page config MUST be first ---
+st.set_page_config(page_title="Quasa – A Smart WhatsApp Chatbot", layout="wide")
+
 # --- Auto-refresh every 10 seconds ---
-count = st_autorefresh(interval=10_000, limit=None, key="refresh")
+if "last_refresh" not in st.session_state:
+    st.session_state.last_refresh = time.time()
+elif time.time() - st.session_state.last_refresh > 10:
+    st.session_state.last_refresh = time.time()
+    st.experimental_rerun()
 
 # --- Document Loaders ---
 def extract_text_from_pdf(pdf_path):
@@ -55,10 +61,7 @@ def retrieve_chunks(question, index, embed_model, text_chunks, k=3):
 # --- GROQ Answer Generation ---
 def generate_answer_with_groq(question, context, retries=3, delay=2):
     url = "https://api.groq.com/openai/v1/chat/completions"
-    api_key = os.environ.get("GROQ_API_KEY")
-    if not api_key:
-        return "⚠️ GROQ_API_KEY is not set."
-
+    api_key = os.environ["GROQ_API_KEY"]
     headers = {
         "Authorization": f"Bearer {api_key}",
         "Content-Type": "application/json",
@@ -138,8 +141,6 @@ def send_twilio_message(account_sid, auth_token, conversation_sid, body):
         return str(e)
 
 # --- Streamlit UI ---
-st.set_page_config(page_title="Quasa – A Smart WhatsApp Chatbot", layout="wide")
-
 st.markdown("""
     <style>
         .big-font { font-size: 28px !important; font-weight: bold; }
@@ -156,9 +157,15 @@ st.markdown('<div class="big-font">📱 Quasa – A Smart WhatsApp Chatbot</div>
 st.markdown('<div class="small-font">Talk to your documents using WhatsApp. Powered by Groq, Twilio, and RAG.</div>', unsafe_allow_html=True)
 
 # Load secrets or fallback
-account_sid = st.secrets.get("TWILIO_SID") or st.text_input("Twilio SID", "")
-auth_token = st.secrets.get("TWILIO_TOKEN") or st.text_input("Twilio Auth Token", type="password")
-GROQ_API_KEY = st.secrets.get("GROQ_API_KEY") or st.text_input("GROQ API Key", type="password")
+account_sid = st.secrets.get("TWILIO_SID")
+auth_token = st.secrets.get("TWILIO_TOKEN")
+GROQ_API_KEY = st.secrets.get("GROQ_API_KEY")
+
+if not all([account_sid, auth_token, GROQ_API_KEY]):
+    st.warning("⚠️ Some secrets are missing. Please provide them manually:")
+    account_sid = st.text_input("Twilio SID", value=account_sid or "")
+    auth_token = st.text_input("Twilio Auth Token", type="password", value=auth_token or "")
+    GROQ_API_KEY = st.text_input("GROQ API Key", type="password", value=GROQ_API_KEY or "")
 
 if all([account_sid, auth_token, GROQ_API_KEY]):
     os.environ["GROQ_API_KEY"] = GROQ_API_KEY
@@ -166,6 +173,7 @@ if all([account_sid, auth_token, GROQ_API_KEY]):
     conversation_sid = fetch_latest_conversation_sid(account_sid, auth_token)
 
     if conversation_sid:
+
         @st.cache_resource
         def setup_knowledge_base():
             folder_path = "docs"