def readImageRecord(self, imgnum):
    if self.config:
        recordnum = (self.config['mobi']['First Image index'] + imgnum)
        return self.readRecord(recordnum, disable_compression=True)
def readImageRecord(self, imgnum):
    if self.config:
        recordnum = (self.config['mobi']['First Image index'] + imgnum)
        return self.readRecord(recordnum, disable_compression=True)