9.5POM in Playwright (Python)

# pages/login_page.py
class LoginPage:
    def __init__(self, page):
        self.page = page
        self.email_input = page.get_by_label("Email")
        self.password_input = page.get_by_label("Password")
        self.submit_button = page.get_by_role("button", name="Sign in")
        self.error_message = page.get_by_role("alert")

    def goto(self):
        self.page.goto("/login")

    def login(self, email: str, password: str):
        self.email_input.fill(email)
        self.password_input.fill(password)
        self.submit_button.click()

    def get_error_message(self) -> str:
        return self.error_message.text_content() or ""