Update app.py

app.py

@@ -1,3 +1,6 @@
+import os
+os.environ['TF_CPP_MIN_LOG_LEVEL'] = '2'  # Suppress TF logging
+os.environ["CUDA_VISIBLE_DEVICES"] = "-1"  # Disable GPU
 import urllib.request 
 import fitz 
 import re
@@ -5,8 +8,6 @@ import numpy as np
 import tensorflow_hub as hub
 import openai
 import gradio as gr
-import os
-from sklearn.neighbors import NearestNeighbors
 
 def download_pdf(url, output_path):
     urllib.request.urlretrieve(url, output_path)
@@ -257,19 +258,21 @@ with gr.Blocks(css="""#chatbot { font-size: 14px; min-height: 1200; }""") as dem
                 inputs=[question],
                 label="PRE-DEFINED QUESTIONS: Click on a question to auto-fill the input box, then press Enter!",
             )
-            model = gr.Radio([
-                'gpt-3.5-turbo', 
-                'gpt-3.5-turbo-16k', 
-                'gpt-3.5-turbo-0613', 
-                'gpt-3.5-turbo-16k-0613', 
-                'text-davinci-003',
-                'gpt-4',
-                'gpt-4-32k'
-            ], label='Select Model', default='gpt-3.5-turbo')
+            model = gr.Radio(
+                choices=[
+                    'gpt-3.5-turbo', 
+                    'gpt-3.5-turbo-16k', 
+                    'gpt-3.5-turbo-0613', 
+                    'gpt-3.5-turbo-16k-0613', 
+                    'text-davinci-003',
+                    'gpt-4',
+                    'gpt-4-32k'
+                ], 
+                label='Select Model', 
+                value='gpt-3.5-turbo'
+            )
             btn = gr.Button(value='Submit')
 
-            btn.style(full_width=True)
-
         with gr.Group():
             chatbot = gr.Chatbot(placeholder="Chat History", label="Chat History", lines=50, elem_id="chatbot")