update app.py

app.py

@@ -3,7 +3,6 @@ import requests
 import webbrowser
 from http.server import BaseHTTPRequestHandler, HTTPServer
 import threading
-import spaces
 
 # OAuth Configuration
 TENANT_ID = '2b093ced-2571-463f-bc3e-b4f8bcb427ee'
@@ -13,13 +12,13 @@ REDIRECT_URI = 'https://sanjeevbora-chatbot.hf.space/callback'
 AUTH_URL = f"https://login.microsoftonline.com/{TENANT_ID}/oauth2/v2.0/authorize"
 TOKEN_URL = f"https://login.microsoftonline.com/{TENANT_ID}/oauth2/v2.0/token"
 SCOPE = 'User.Read'
-access_token = None
-lock = threading.Lock()  # Create a lock
+access_token = None  # Global access token
 
 class RequestHandler(BaseHTTPRequestHandler):
     def do_GET(self):
         global access_token
         if self.path.startswith("/callback"):
+            # Capture the authorization code
             code = self.path.split("code=")[1].split("&")[0]
             response = requests.post(TOKEN_URL, data={
                 'client_id': CLIENT_ID,
@@ -29,8 +28,7 @@ class RequestHandler(BaseHTTPRequestHandler):
                 'redirect_uri': REDIRECT_URI
             })
             token_data = response.json()
-            with lock:  # Lock access to the token
-                access_token = token_data.get('access_token')
+            access_token = token_data.get('access_token')
             self.send_response(200)
             self.end_headers()
             self.wfile.write(b"Login successful! You can close this window.")
@@ -55,7 +53,6 @@ def handle_login_click():
     login()
     return "Please complete the login process in the opened window."
 
-@spaces.GPU(duration=60)
 def gradio_interface():
     with gr.Blocks() as demo:
         gr.Markdown("### Welcome to the App")
@@ -67,7 +64,7 @@ def gradio_interface():
     return demo
 
 if __name__ == "__main__":
-    # Start the HTTP server in the main thread
+    # Start the HTTP server in a separate thread
     threading.Thread(target=start_http_server, daemon=True).start()
     
     # Launch Gradio app