Update app.py

app.py

@@ -1,5 +1,6 @@
 import gradio as gr
 import openai
+from openai import OpenAI
 import os
 import uuid
 from gtts import gTTS
@@ -44,6 +45,7 @@ LANG_CODES = {
 
 # === Load Whisper Model ===
 model = WhisperModel("base", compute_type="int8")
+client = OpenAI(api_key=os.getenv("OPENAI_API_KEY"))
 
 # === Audio Processing ===
 def convert_to_wav(input_file):
@@ -79,7 +81,7 @@ End with:
 Transcript:
 {transcript}
 """
-    response = openai.ChatCompletion.create(
+    response = client.chat.completions.create(
         model="gpt-4",
         messages=[
             {"role": "system", "content": f"You are a supportive communication coach responding in {language}."},
@@ -97,7 +99,7 @@ You are a communication tutor. Rewrite this speech transcript to be a more polis
 Transcript:
 {transcript}
 """
-    response = openai.ChatCompletion.create(
+    response = client.chat.completions.create(
         model="gpt-4",
         messages=[
             {"role": "system", "content": "You are a helpful speaking coach."},