Update app.py

app.py

@@ -5,10 +5,6 @@ import gradio as gr
 # Retrieve OpenAI API key from Hugging Face Secrets
 openai_api_key = os.getenv("OPENAI_API_KEY")
 
-# Initialize OpenAI client
-client = openai.OpenAI(api_key=openai_api_key)
-
-# Chatbot function
 def chatbot(user_input, history=[]):
     if not openai_api_key:
         return "⚠️ API key is missing. Please configure it in Hugging Face Secrets.", history
@@ -16,15 +12,16 @@ def chatbot(user_input, history=[]):
     history.append({"role": "user", "content": user_input})
 
     try:
-        response = client.chat.completions.create(
+        response = openai.ChatCompletion.create(
             model="gpt-4o",
             messages=history,
             temperature=0.7,
             max_tokens=200,
-            top_p=1
+            top_p=1,
+            api_key=openai_api_key  # Explicitly passing API key
         )
 
-        bot_reply = response.choices[0].message.content
+        bot_reply = response["choices"][0]["message"]["content"]
         history.append({"role": "assistant", "content": bot_reply})
 
     except Exception as e: