kindly assist. i keep on getting this msgYou should have a variable called new_movie that creates an instance of Movie()

from sqlalchemy import create_engine, Column, Integer, String
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker

engine = create_engine(‘sqlite:///movies.db’, echo=False)
Session = sessionmaker(bind=engine)
session = Session()
Base = declarative_base()

class Movie(Base):
    __tablename__ = ‘movies’

    id = Column(Integer, primary_key=True)
    movie_title = Column(String)
    genre = Column(String)

    def __repr__(self):
        return f'<Movie(movie_title={self.movie_title}, genre={self.genre})>'  

if __name__ = '__main__':
    Base.metadata.create_all(engine)
    new_movie = Movie(movie_title = 'ben', genre = 'ben')
    session.add(new_movie)
    session.commit()