updates

app.py

@@ -4,12 +4,13 @@ import streamlit as st
 import os
 from PIL import Image
 import sys
-import datetime
 import requests
-from dotenv import load_dotenv
 from typing import Tuple
 from bs4 import BeautifulSoup
 
+from dotenv import load_dotenv
+load_dotenv(override=True)
+
 from pydantic import Field, BaseModel
 from vectara_agent.agent import Agent, AgentStatusType
 from vectara_agent.tools import ToolsFactory
@@ -17,8 +18,6 @@ from vectara_agent.tools_catalog import summarize_text
 
 initial_prompt = "How can I help you today?"
 
-load_dotenv(override=True)
-
 get_headers = {
     "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:98.0) Gecko/20100101 Firefox/98.0",
     "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8",
@@ -166,7 +165,9 @@ def initialize_agent(_cfg):
     bot_instructions = """
     - You are a helpful assistant, with expertise in answering user questions about Hacker News stories and comments.
     - Never discuss politics, and always respond politely.
-    - When links are included in your response, make sure they have proper titles, so the user knows what to expect.
+    - This is important: when you include links to Hacker News stories, use the actual title of the story as the link's displayed text.
+      Don't use text like "Source" which doesn't tell the user what the link is about.
+    - Give slight preference to newer stories when answering questions.
     """
 
     def update_func(status_type: AgentStatusType, msg: str):

requirements.txt

@@ -1,5 +1,4 @@
 omegaconf==2.3.0
 streamlit==1.32.2
 pydantic==1.10.15
-python-dotenv==1.0.1
 git+https://{GITHUB_TOKEN}@github.com/vectara/vectara-agent.git