updates

app.py

@@ -3,23 +3,21 @@ from omegaconf import OmegaConf
 import streamlit as st
 import os
 from PIL import Image
-import re
 import sys
-import datetime
+
 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
 from vectara_agent.tools_catalog import rephrase_text
 
-
 teaching_styles = ['Inquiry-based', 'Socratic', 'traditional']
 languages = {'English': 'en', 'Spanish': 'es', 'French': 'fr', 'German': 'de', 'Arabic': 'ar', 'Chinese': 'zh-cn', 
              'Hebrew': 'he', 'Hindi': 'hi', 'Italian': 'it', 'Japanese': 'ja', 'Korean': 'ko', 'Portuguese': 'pt'}
 initial_prompt = "How can I help you today?"
 
-load_dotenv(override=True)
 
 def create_tools(cfg):