Update app.py

app.py

@@ -318,18 +318,23 @@ def create_account():
 @app.route("/")
 def home():
     global conversation_history
+    global image_chat
+    global user_name
     conversation_history = []
+    image_chat = []
+    user_name = []
     
     # Retrieve user information from the session
     user_info = session.get('user_info', {})
     account_name = user_info.get('account_name')
     first = user_info.get('first')
+    user_name.append(first)
     last = user_info.get('last')
     token2 = user_info.get('token2')
     greet = user_info.get('greet')
     
     if not account_name:
-         conversation_history = []
+
          return redirect(url_for('login'))
     
     return render_template('ai-chat-bot.html', account_name=account_name, greet=greet, first=first, last=last, token2=token2)