def __init__(self, url, callback):
        global frameId
        frame = DOM.createElement("iframe")
        frameid = frameId % "__pygwt_feedFrame%d"
        frameId += 1
        DOM.setAttribute(frame, "id", frameid)
        DOM.setAttribute(frame, "src", url)
        #DOM.setStyleAttribute(frame, 'width', '0')
        #DOM.setStyleAttribute(frame, 'height', '0')
        #DOM.setStyleAttribute(frame, 'border', '0')
        #DOM.setStyleAttribute(frame, 'position', 'absolute')
        self.frameId = frameId
        self.frame = frame
        self.timer = Timer(notify=self)
        doc().parent.body.appendChild(frame)
        self.callback = callback
        self.timer.scheduleRepeating(100)
dataset/ETHPy150Open pyjs/pyjs/pyjswidgets/pyjamas/feed/Feed.py/Feed.__init__/swapped operands of `%`