How to use the pytube.extract.video_info_url function in pytube

def test_info_url(cipher_signature):
    video_info_url = extract.video_info_url(
        video_id=cipher_signature.video_id,
        watch_url=cipher_signature.watch_url,
        watch_html=cipher_signature.watch_html,
        embed_html='',
        age_restricted=False,
    )
    expected = (
        'https://youtube.com/get_video_info?video_id=9bZkp7q19f0&el=%24el'
        '&ps=default&eurl=https%253A%2F%2Fyoutube.com%2Fwatch%253Fv%'
        '253D9bZkp7q19f0&hl=en_US&t=%252C%2522t%2522%253A%25221%2522'
    )
    assert video_info_url == expected

def prefetch(self):
        """Eagerly download all necessary data.

        Eagerly executes all necessary network requests so all other
        operations don't does need to make calls outside of the interpreter
        which blocks for long periods of time.

        :rtype: None

        """
        self.watch_html = request.get(url=self.watch_url)
        if '

def prefetch(self):
        """Eagerly download all necessary data.

        Eagerly executes all necessary network requests so all other
        operations don't does need to make calls outside of the interpreter
        which blocks for long periods of time.

        :rtype: None

        """
        self.watch_html = request.get(url=self.watch_url)
        if '

def prefetch(self):
		"""Eagerly download all necessary data.

		Eagerly executes all necessary network requests so all other
		operations don't does need to make calls outside of the interpreter
		which blocks for long periods of time.

		:rtype: None

		"""
		self.watch_html = request.get(url=self.watch_url)
		if '