# Playwright Python API

# Hidden property

Parameter not documented: Browser.new_context(default_browser_type=)

Parameter not documented: Browser.new_page(default_browser_type=)

# One vs two arguments in the callback, Python explicitly unions.

Parameter type mismatch in BrowserContext.route(handler=): documented as Callable[[Route, Request], Union[Any, Any]], code has Union[Callable[[Route, Request], Any], Callable[[Route], Any]]

Parameter type mismatch in BrowserContext.unroute(handler=): documented as Union[Callable[[Route, Request], Union[Any, Any]], None], code has Union[Callable[[Route, Request], Any], Callable[[Route], Any], None]

Parameter type mismatch in Page.route(handler=): documented as Callable[[Route, Request], Union[Any, Any]], code has Union[Callable[[Route, Request], Any], Callable[[Route], Any]]

Parameter type mismatch in Page.unroute(handler=): documented as Union[Callable[[Route, Request], Union[Any, Any]], None], code has Union[Callable[[Route, Request], Any], Callable[[Route], Any], None]

# One vs two arguments in the callback, Python explicitly unions.

Parameter type mismatch in Page.add_locator_handler(handler=): documented as Callable[[Locator], Any], code has Union[Callable[[Locator], Any], Callable[[], Any]]

Parameter type mismatch in BrowserContext.route_web_socket(handler=): documented as Callable[[WebSocketRoute], Union[Any, Any]], code has Callable[[WebSocketRoute], Any]

Parameter type mismatch in Page.route_web_socket(handler=): documented as Callable[[WebSocketRoute], Union[Any, Any]], code has Callable[[WebSocketRoute], Any]

Parameter type mismatch in WebSocketRoute.on_close(handler=): documented as Callable[[Union[int, undefined]], Union[Any, Any]], code has Callable[[Union[int, None], Union[str, None]], Any]

Parameter type mismatch in WebSocketRoute.on_message(handler=): documented as Callable[[str], Union[Any, Any]], code has Callable[[Union[bytes, str]], Any]