conn = pymysql.connect(host=dbEndpoint, user=dbUser, password=dbPass, db=dbSchema)
with conn.cursor(pymysql.cursors.DictCursor) as cursor:
        try:
            cursor.execute(statement)
        except Exception as e:
            return str(e)
        conn.commit()
        conn.close()
        return cursor.fetchone()

MissingSchema: Invalid URL 'user': No schema supplied. Perhaps you meant http://user?