Update app.py

app.py

@@ -2,6 +2,7 @@ import streamlit as st
 import os
 from streamlit_chat import message
 from PyPDF2 import PdfReader
+import bs4
 import google.generativeai as genai
 from langchain.prompts import PromptTemplate
 from langchain import LLMChain
@@ -103,11 +104,19 @@ with st.sidebar:
     uploaded_file = st.file_uploader("Upload your PDF Files and Click on the Submit & Process Button", accept_multiple_files=True)
     uploaded_url = st.text_area("please upload an url..")
     if st.button("Submit & Process"):
-        if uploaded_file or uploaded_url:
+        if uploaded_files or uploaded_url:
             with st.spinner("Processing..."):
-                st.session_state["docs"] += get_pdf_text(uploaded_file)
-                st.session_state["docs"] += get_url_text(uploaded_url)
-                st.success("Done")
+                if uploaded_files:
+                    pdf_text = get_pdf_text(uploaded_files)
+                    st.session_state["docs"] = (st.session_state.get("docs", "") + pdf_text).strip()
+                
+                if uploaded_url:
+                    url_text = get_url_text(uploaded_url)
+                    st.session_state["docs"] = (st.session_state.get("docs", "") + url_text).strip()
+                
+                st.success("Processing complete!")
+        else:
+            st.error("Please upload at least one PDF file or provide a URL.")
     
 # Create containers for chat history and user input
 response_container = st.container()