Update app.py

app.py

@@ -122,16 +122,16 @@ def render_message(history):
     messages_html += """
         </div>
     </div>
-    <script>
-         function scrollToBottom() {
-            var chatbox = document.getElementById('chatbox-container');
-            chatbox.scrollTop =- chatbox.scrollHeight; 
-        }
-        window.onload = function() {
-            scrollToBottom();  
-        };
-        setTimeout(scrollToBottom, 0);
-    </script>
+  <script>
+     function scrollToBottom() {
+        var chatbox = document.getElementById('chatbox-container');
+        chatbox.scrollTop = chatbox.scrollHeight; 
+    }
+    window.onload = function() {
+        scrollToBottom();  
+    };
+    setTimeout(scrollToBottom, 0);
+</script>
     """
 
     return messages_html