Update app.py

app.py

@@ -1,21 +1,18 @@
 import datetime
 import threading
-import time
 from langchain_core.prompts import ChatPromptTemplate
+import time
 from langchain_groq import ChatGroq
-from dotenv import load_dotenv
 import gradio as gr
 import os
 from gtts import gTTS
 import io
 import pygame
 
-load_dotenv()
-groq_api_key = os.environ.get("GROQ_API_KEY")
 llm = ChatGroq(
     model="mixtral-8x7b-32768",  
     temperature=0.7,
-    api_key=groq_api_key,
+    api_key=GROQ_API_KEY,
     verbose = False
 )