[PyQt] retrieving images(blob) from sqlite db

[Ali M]

I've created a sqlite db with a blob field and put images in it. how can i
retrieve the images and show them in a qtextbrowser? i want to get the
images with a for loop something like the below code but i don't know how.

def readImage(self):
        cur = self.db.cursor()
        rows = cur.execute("select cover from covers")
        pm = QPixmap()
        for row in rows:
                pic = self.ui.label.setPixmap(QPixmap("row.jpg"))
                self.ui.textBrowser.insertFromMimeData(pic)
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