Webscrapping with bs4: Type Error - 'NoneType' object is not subscriptable

I am trying to extract "video" from the url and print how many there are in the console.

But I get this Error:

TypeError: 'NoneType' object is not subscriptable

Here is my code:

import requests
from bs4 import BeautifulSoup

Web_url = "https://watch.plex.tv/show/hannibal/season/1/episode/9"
r = requests.get(Web_url)

soup = BeautifulSoup(r.content, 'html.parser')

video_tags = soup.find_all("video")
print("Total", len(video_tags), "videos found")

if len(video_tags) !=0:
    for video_tag in video_tags:
        video_url = video_tag.find("a")['href']
        print(video_url)```

source https://stackoverflow.com/questions/73913131/webscrapping-with-bs4-type-error-nonetype-object-is-not-subscriptable

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