Александр

def connect():
    """ Connect to MySQL database """
    try:
        conn = mysql.connector.connect(host='localhost',
                                       database='mydb',
                                       user='root',
                                       password='')
        if conn.is_connected():
            print('connection established.')
        else:
            print('connection failed.')
        return conn
    except Error as e:
        print(e)

    finally:
        conn.close()