from paginator import get_menu 
from dataclasses import dataclass

# Define initial menu settings in the dataclass.
@dataclass
class Menu:
    items_per_page: int = 10
    pages_per_line: int = 3
    navigation_signature: str = '±'
    page_label: str = ' p. '

# Add the initial call of get_menu
def handling_input(update, context):
    # ...
    # On first invocation
    navigation = get_menu(total_items=len(search_results),
                          current_page=1,
                          menu_settings=Menu)
    # ...

# Add a callback to handle a page switching  
def navigate(update, context):
    # ...
    navigation = get_menu(total_items=len(search_results),
                          current_page=int(current_page),
                          menu_settings=Menu)     
    # ...