IOError: [Errno 2] No such file or directory: 'D:\pcharm\untitled6\db.sql'

def init_db():
with app.app_context():
    db = get_db()
    with app.open_resource('db.sql', mode='r') as f:
        db.cursor().executescript(f.read())
    db.commit()

app.config.update(dict(
    DATABASE=os.path.join(app.root_path, 'flaskr.db'),
    DEBUG=True,
    SECRET_KEY='development key',
    USERNAME='admin',
    PASSWORD='default'))