docs not complete why my app blank white about flet_navigator HOT 10 CLOSED

def home(pg:PageData):
	myappbar = AppBar(title=Text("Dqwdqw"))

	pg.page.set_appbar(myappbar)
	pg.page.add(Text("Dqwdwq"))

    flet_navigator.render(page)
  File "/usr/local/lib/python3.10/dist-packages/flet_navigator/__init__.py", line 195, in render
    self.routes[route](
  File "/home/minx/belajar/fletpop/main.py", line 7, in home
    pg.set_appbar(myappbar)
AttributeError: 'PageData' object has no attribute 'set_appbar'

from flet import *
from flet_navigator import VirtualFletNavigator, PageData, ROUTE_404

def home(pg:PageData):
	myappbar = AppBar(
			title=Text("Dqwdqw"),
			bgcolor="blue"
			)
	pg.set_appbar(myappbar)
	pg.page.add(Text("Dqwdwq"))
	pg.page.add(
		ElevatedButton("goto page",
			on_click=lambda _: pg.navigator.navigate(f"about",pg.page,("tolol123"))
			)
		)


def about(pg:PageData):
	myappbar = AppBar(
			title=Text("About"),
			bgcolor="red"
			)
	pg.set_appbar(myappbar)
	pg.page.add(Text(f"ABOUT {pg.arguments[0]}",size=30))
	pg.page.add(
		ElevatedButton("goto page",
			on_click=lambda _: pg.navigator.navigate_homepage(pg.page)
			)
		)



def main(page:Page):
	flet_navigator = VirtualFletNavigator(
		{
			"/":home,
			"about":about,
			},lambda route: print(f"nama rute :{route}"),
		fade_effect=True
			)
	flet_navigator.render(page)


flet.app(target=main)