Update app2.py

app2.py

@@ -92,7 +92,7 @@ def add_to_header(event):
                 buttons_to_add.append(option)  # Add to header if not already present
 
                 paper_list_itr = TLDR.run_code(option, loaded_dict)
-        paper_list.append(paper_list_itr)
+                paper_list.append(paper_list_itr)
         filter_list.value = []  # Clear the selected options after adding them to the header
         update_header()  # Update the header after adding options