import webbrowser


class Movie():
    def __init__(self, movie_title, movie_storyline,
                 poster_image, trailer_youtube):
        self.title = movie_title
        self.storyline = movie_storyline
        self.poster_image_url = poster_image
        self.trailer_youtube_url = trailer_youtube

    def show_trailer(self):
        webbrowser.open(self.trailer_youtube_url)

import webbrowser


class Movie():
    """ This  docstring should explain what the Movie() class does"""
    
    def __init__(self, movie_title, movie_storyline,
                 poster_image, trailer_youtube):
        self.title = movie_title
        self.storyline = movie_storyline
        self.poster_image_url = poster_image
        self.trailer_youtube_url = trailer_youtube

    def show_trailer(self):
        """ This docstring should explain what the show_trailer() function does"""
        webbrowser.open(self.trailer_youtube_url)

Update media.py