Update app.py

app.py

@@ -1,15 +1,6 @@
 import streamlit as st
 import re
 import os
-import bs4
-from sentence_transformers import SentenceTransformer
-import torch
-from langchain_groq import ChatGroq  # Import from correct package
-from langchain.document_loaders import WebBaseLoader
-from langchain.prompts import RunnablePassthrough
-from langchain.text_splitter import RecursiveCharacterTextSplitter
-from langchain.vectorstores import Chroma
-from langchain.output_parsers import StrOutputParser
 
 # Sidebar Style with Multicolored Background
 sidebar_bg_style = """
@@ -56,8 +47,8 @@ if not use_preprovided_keys:
     api_key_1 = st.sidebar.text_input("Enter LangChain API Key", type="password", placeholder="Enter your LangChain API Key", help="Please enter a valid LangChain API key here")
     api_key_2 = st.sidebar.text_input("Enter Groq API Key", type="password", placeholder="Enter your Groq API Key", help="Please enter your Groq API key here")
 else:
-    api_key_1 = "your-preprovided-langchain-api-key"
-    api_key_2 = "your-preprovided-groq-api-key"
+    api_key_1 = "your-preprovided-langchain-api-key"  # Replace with your actual pre-provided key
+    api_key_2 = "your-preprovided-groq-api-key"  # Replace with your actual pre-provided key
     st.sidebar.markdown('<p style="color:blue; font-weight:bold;">Using pre-provided API keys</p>', unsafe_allow_html=True)
 
 # Submit button for API keys with a success/warning message
@@ -90,11 +81,7 @@ if 'chat_history' not in st.session_state:
 
 # Submit button for chat
 if st.button("Submit Query"):
-    if not query:
-        st.markdown('<p style="color:red; font-weight:bold;">Please enter a query before submitting</p>', unsafe_allow_html=True)
-    elif not url_input:
-        st.markdown('<p style="color:red; font-weight:bold;">Please enter a valid URL before submitting</p>', unsafe_allow_html=True)
-    else:
+    if query and url_input:
         # Blog loading logic based on user input URL
         loader = WebBaseLoader(
             web_paths=(url_input,),  # Use the user-input URL
@@ -140,7 +127,7 @@ if st.button("Submit Query"):
         rag_chain = (
             {"context": retriever | format_docs, "question": RunnablePassthrough()}
             | prompt
-            | ChatGroq(model="llama3-8b-8192")  # Ensure the correct Groq model
+            | ChatGroq(model="llama3-8b-8192")  # Replace `llm` with an appropriate language model
             | StrOutputParser()
         )