def login(self, account):
        self.grab.go('http://www.tumblr.com/login')
        self.grab.choose_form(1)
        self.grab.set_input('email', account.email)
        self.grab.set_input('password', account.password)
        self.grab.submit()

        if not self.grab.search(u'Create a new blog'):
            raise AuthError